{
  "manageEntity": {
    "action": "Save",
    "entityId": "2114174233",
    "entityType": "Track",
    "nonce": "0x24be5aafe26b85049f9db9017ab760d389c868714dc7a082d1e9253558427495",
    "signature": "0xd127e7648962c305f6933c8f465ed75c15154cb1a0b56c47ea7ac9e398e322da56cdf554f6fde95ed59adccd5a5b4cca92db87817dfa5a263ed7cc5b852469cc1c",
    "signer": "0x0b901AE3Eb7b439095858D82Ff194CfeD0Fd3396",
    "userId": "167557"
  }
}