{
"manageEntity": {
"action": "Save",
"entityId": "260277184",
"entityType": "Track",
"nonce": "0x287e0233931c111bd295d2f758bedb70a039cc807cb99ee1c372540939babec0",
"signature": "0x157325e81a16351f5fcca7aec60f8957f77e20a1199134a3bd3624ccb8024b2c6cbd8689a69bab24d9b780013aa451fa626d3531bf155c3cd8f708771b0dcbc51b",
"signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
"userId": "161353174"
}
}