{
  "manageEntity": {
    "action": "Delete",
    "entityId": "2277775",
    "entityType": "Track",
    "nonce": "0x17e21d898596218762728c2606e32a8e7054ba43025e5c88c775b6adc36b2536",
    "signature": "0xe397132a6fa519eb4df02f8e2c97ed433eed23f698b2b043728fd5f1701a062d0e540c54cccffbf969f54dbaaa42603ab9975a1426eb6cf3756e27f2d28d92861b",
    "signer": "0x4aa5a207F36Ff1E12cbEfB5ef08bb83F8bF21F68",
    "userId": "562613548"
  }
}