{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1279796672",
    "entityType": "Track",
    "nonce": "0x742c32ced81916e84f764287597e2443f3503935d63681c24b162c7c9ed9511a",
    "signature": "0x890c0620e5f6f7c426a1a2b47d9e26bd8a9129ab30847e5f4068b33e7a4a2c64059ef62b2f8515c50f299fa2bd50d33bfdd54d6e6f05f59bc94956c7229034371b",
    "signer": "0x4aa5a207F36Ff1E12cbEfB5ef08bb83F8bF21F68",
    "userId": "562613548"
  }
}