{
  "manageEntity": {
    "action": "Save",
    "entityId": "36327632",
    "entityType": "Track",
    "nonce": "0xdd22fe23e3d7d95723489c0ac0b1fafc8e230a449e9a9ad4c0f1283832165c36",
    "signature": "0x869b7ca0d322842722e48f2aa9f2dc0e238f5b8b4432aeb0eea55cda22c0bafa47605e71fc4942620cda7c6b1406c5f27c864e1902a9ffd68c3f4902e2d775b51b",
    "signer": "0x044FC5a5dDb09Fd969Ac4aa606CddF360FE384dC",
    "userId": "144585121"
  }
}