v2.WatchTx(WatchTx)

{
    "hash": "string",
    "lt": "string",
    "time": "2019-08-24T14:15:22.123Z",
    "success": true,
    "fee": "string",
    "direction": "string",
    "amount": "string",
    "symbol": "string",
    "from": "string",
    "to": "string",
    "operation": "string",
    "op_code": 0,
    "nft_op": "string",
    "out_messages": 0
}