You haven't shown enough of your JSON, but I assume it looks like this:
[
{"some": "object"},
{"some": "object"}
],
[
{"some": "object"},
{"some": "object"}
]
... which is invalid. JSON must have one top-level element (which in the full JSON document must be either an object or an array).
, -, :
{
"response1": [
{"some": "object"},
{"some": "object"}
],
"response2": [
{"some": "object"},
{"some": "object"}
]
}