{
"manageEntity": {
"action": "Save",
"entityId": "1764211468",
"entityType": "Track",
"nonce": "1794072968472357179",
"signature": "0x5d46c9d6bb57e83918012bb886ab0c5c4447c3e37ce83c5f195f02d513145f7f24061c2bc0d7896ba0b0d8acb0988521681c8c9a329a9c0f4260b5742b3b80381b",
"signer": "0x599180eEFaA673F9144C290417060595BF1eE55A",
"userId": "411449058"
}
}