{
  "manageEntity": {
    "action": "Save",
    "entityId": "1316847636",
    "entityType": "Track",
    "nonce": "0x2685ce5bdfe1f528b08840b2024657a42cca0f1b4f910023a18ac0b79bd600f3",
    "signature": "0x0d7697e7cd765f9f66e15e5d5b67e109f2b1aa070800c3f9c66a441506502de608b62feee718c5663ac743f3e432e623bfc66c50703f324a1c97ddca2b2cee491c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}