Q:

PostGis Multipolygon ERROR - Too few ordinates

I'm using leaflet.js with postgis (postgres).
I want to convert a multipolygon into a geometry to store in the database.
But I'm getting this error:
An error occurred when executing the SQL command:
SELECT ST_IsValid(ST_GeomFromGeoJSON(
        '{"type":"MultiPolygon","coordinates":[[[["-57.70798","-34.93046"],["-57.75726","-34.97406"],["-57.79704","-3...

ERROR: Too few ordinates in GeoJSON

Execution time: 0.06s
Statement 1 of 1 finished

This is the sql:
SELECT ST_IsValid(ST_GeomFromGeoJSON(
        '{"type":"MultiPolygon","coordinates":[[[["-57.70798","-34.93046"],["-57.75726","-34.97406"],["-57.79704","-35.0092"],["-57.82553","-35.03433"],["-57.82947","-35.03326"],["-57.88522","-35.08194"],["-57.89918","-35.09413"],["-57.97495","-35.16014"],["-58.05345","-35.22834"],["-58.07267","-35.21478"],["-58.01711","-35.16484"],["-58.09865","-35.10165"],["-58.10727","-35.1088"],["-58.10771","-35.10844"],["-58.13532","-35.08701"],["-58.13331","-35.08354"],["-58.13614","-35.08133"],["-58.17227","-35.05289"],["-58.13257","-35.01659"],["-58.12937","-35.01367"],["-58.11987","-35.0047"],["-58.12426","-35.00139"],["-58.14057","-34.98855"],["-58.15054","-34.98053"],["-58.16223","-34.97212"],["-58.2524","-35.05101"],["-58.28768","-35.02247"],["-58.27846","-35.0145"],["-58.28089","-35.0064"],["-58.28502","-34.99721"],["-58.29281","-34.98461"],["-58.29844","-34.9762"],["-58.30129","-34.97204"],["-58.28781","-34.96512"],["-58.29033","-34.96173"],["-58.29698","-34.95302"],["-58.31683","-34.92619"],["-58.35886","-34.94651"],["-58.37551","-34.95506"],["-58.39981","-34.96879"],["-58.40084","-34.96736"],["-58.40507","-34.96969"],["-58.40172","-34.97378"],["-58.40545","-34.9759"],["-58.4039","-34.97795"],["-58.40863","-34.98008"],["-58.41222","-34.97661"],["-58.42043","-34.98044"],["-58.42172","-34.9786"],["-58.44035","-34.99"],["-58.46925","-35.01195"],["-58.46963","-35.01031"],["-58.46959","-35.00275"],["-58.46946","-34.99957"],["-58.46944","-34.99594"],["-58.46759","-34.98639"],["-58.46726","-34.98442"],["-58.46721","-34.98237"],["-58.46764","-34.97913"],["-58.46726","-34.97466"],["-58.46764","-34.96859"],["-58.46614","-34.9638"],["-58.46334","-34.95608"],["-58.46284","-34.95301"],["-58.46319","-34.95136"],["-58.46556","-34.94779"],["-58.4737","-34.94174"],["-58.49085","-34.92877"],["-58.49391","-34.93107"],["-58.49765","-34.93416"],["-58.53146","-34.96336"],["-58.53478","-34.96066"],["-58.55538","-34.9766"],["-58.53574","-34.99371"],["-58.5349","-35.02224"],["-58.53556","-35.02275"],["-58.53727","-35.02268"],["-58.53787","-35.02187"],["-58.55412","-35.00781"],["-58.5557","-35.00926"],["-58.55746","-35.00797"],["-58.60367","-34.9747"],["-58.62141","-34.96215"],["-58.61548","-34.95811"],["-58.60709","-34.95045"],["-58.61758","-34.93309"],["-58.62743","-34.91993"],["-58.64926","-34.89075"],["-58.64965","-34.8905"],["-58.65055","-34.89105"],["-58.65131","-34.89118"],["-58.65404","-34.89356"],["-58.65725","-34.89514"],["-58.65826","-34.89531"],["-58.65974","-34.89699"],["-58.66085","-34.89738"],["-58.66244","-34.89877"],["-58.6642","-34.89921"],["-58.66544","-34.90068"],["-58.66629","-34.90131"],["-58.66749","-34.90166"],["-58.66809","-34.90212"],["-58.66843","-34.903"],["-58.6703","-34.90318"],["-58.6714","-34.90378"],["-58.67225","-34.90454"],["-58.673","-34.90484"],["-58.67442","-34.90435"],["-58.67647","-34.90537"],["-58.67857","-34.90669"],["-58.67978","-34.90678"],["-58.68118","-34.90771"],["-58.68187","-34.90868"],["-58.68278","-34.90902"],["-58.68357","-34.9099"],["-58.68453","-34.91024"],["-58.68627","-34.91172"],["-58.68889","-34.91187"],["-58.69035","-34.91243"],["-58.69223","-34.91199"],["-58.69367","-34.91203"],["-58.70275","-34.90523"],["-58.70457","-34.90382"],["-58.71497","-34.89611"],["-58.7296","-34.88371"],["-58.75218","-34.86633"],["-58.76239","-34.85845"],["-58.74985","-34.84747"],["-58.77399","-34.82868"],["-58.77407","-34.828"],["-58.77357","-34.82726"],["-58.77261","-34.82767"],["-58.77153","-34.82756"],["-58.77033","-34.82691"],["-58.76861","-34.82669"],["-58.76733","-34.82683"],["-58.76605","-34.82745"],["-58.76542","-34.82744"],["-58.76339","-34.82695"],["-58.76014","-34.82676"],["-58.75881","-34.82648"],["-58.75772","-34.82673"],["-58.75702","-34.8272"],["-58.756","-34.82734"],["-58.75479","-34.82702"],["-58.75372","-34.82638"],["-58.75109","-34.82554"],["-58.7492","-34.82436"],["-58.74748","-34.82408"],["-58.74531","-34.82437"],["-58.7446","-34.82505"],["-58.74384","-34.82488"],["-58.74265","-34.82387"],["-58.74087","-34.82375"],["-58.7391","-34.82274"],["-58.73828","-34.82199"],["-58.73683","-34.82108"],["-58.73577","-34.81976"],["-58.73451","-34.81912"],["-58.7344","-34.81765"],["-58.73314","-34.817"],["-58.73199","-34.81741"],["-58.72995","-34.81744"],["-58.72893","-34.81769"],["-58.72816","-34.81826"],["-58.72634","-34.81832"],["-58.72419","-34.81772"],["-58.72329","-34.81803"],["-58.72182","-34.81807"],["-58.7196","-34.81794"],["-58.71808","-34.8175"],["-58.71682","-34.81654"],["-58.71485","-34.81642"],["-58.71404","-34.81525"],["-58.71208","-34.8146"],["-58.71051","-34.81301"],["-58.71039","-34.81222"],["-58.70958","-34.81169"],["-58.70868","-34.8121"],["-58.70785","-34.81214"],["-58.70653","-34.81108"],["-58.70631","-34.81067"],["-58.72746","-34.79561"],["-58.74214","-34.7841"],["-58.74306","-34.78328"],["-58.74857","-34.77893"],["-58.75111","-34.77699"],["-58.76093","-34.76936"],["-58.77028","-34.76205"],["-58.77572","-34.75861"],["-58.79296","-34.74782"],["-58.80551","-34.73981"],["-58.82576"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    )) AS valid;

A:

The last coordinate is missing a latitude : 
... ["-60.34103","-33.41426"],["-60.33468"]

should be 
... ["-60.34103","-33.41426"],["-60.33468","your latitude here"]

