A string containing the binary representation of an multi polygon. The input can be in any supported binary input format,
including Well Known Binary (WKB) or Extended Well Known Binary (EWKB).
srid
INT
The SRID of the result. If not specified, the default is 0.
The following returns MultiPolygon (((10 -5, 15 5, 5 5, 10 -5))).
SELECT NEW ST_MultiPolygon(0x01060000000100000001030000000100000004000000000000000000244000000000000014c00000000000002e40000000000000144000000000000014400000000000001440000000000000244000000000000014c0)