{
  "manageEntity": {
    "action": "Save",
    "entityId": "2060793238",
    "entityType": "Track",
    "nonce": "0xebc016704e4f4f3883beeab0572b3cc475472d901069e451748b7dc91227f78e",
    "signature": "0x83b316ae2af756ad5fad266588f39340721e80e7c964b456aa24c2a944dc89561a6700d875107f9f8964369f164c2befdd1abf0a8646b5e3b8ebe03b6440ff731b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}