{
"manageEntity": {
"action": "Save",
"entityId": "1461998649",
"entityType": "Track",
"nonce": "0x29aa136fcc35d81291b1e5fd8cc4b4d6c757df0fb7232d1e92b84c1771cf063d",
"signature": "0xa3311a948aa0c5afe6e6ddb2abb67bb8697448a7699978dbf98e4a0fb94bdb4c51e31e8163308a101bdb9a3d3e59ad115f8f325eb3afcbbe3c3f0ca8a20c789e1b",
"signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
"userId": "485987672"
}
}