{
"manageEntity": {
"action": "Save",
"entityId": "1000826970",
"entityType": "Track",
"nonce": "0xc6fc4c9a76714ecfb3909176eea5710d40eaa7566c15bc6d755812eeba06b47c",
"signature": "0x63ecf209326e201adeb458cfd18f6f74c671ddb232fa621e3b74345eb0c3c29f296c6cb57587015caad31cee0e62548fba348522c9e464c8bb8a9e6c67f35d1b1b",
"signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
"userId": "35918963"
}
}