{
"manageEntity": {
"action": "Save",
"entityId": "1332578107",
"entityType": "Track",
"nonce": "0xc345e0813bc9c273e7ca01961ef0d67e2c368adf4a536665aecf4821f0158511",
"signature": "0x517007c3ffd98f03b20ce2076a2ced8fb4e0a4443e7dc64c0599ca705b1251dd2834433739350b54d91b7549cd9dc2116110705b115fb03855a6ee71779108301c",
"signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
"userId": "460147282"
}
}