{
  "manageEntity": {
    "action": "Save",
    "entityId": "736096758",
    "entityType": "Track",
    "nonce": "0x6a4ffa596cfd19819580bb52a39f270927522893110498fb7b90d9b55ab94b6e",
    "signature": "0xf5a22b46895c4c73aaf1653ccbf43b4dbbe9abd75b648224a0b0bd59077a85c7483bb5a35013dfb077f564eb875fca9f4d65a2a0cd97720258126fa124b423841b",
    "signer": "0x06F989586c5477333A41f6057f224Df79903862a",
    "userId": "24240642"
  }
}