{
  "manageEntity": {
    "action": "Delete",
    "entityId": "266556",
    "entityType": "Track",
    "nonce": "0xaaf28d3d175b2bd5c043279d0e36e32ca4b5d6fb1c33e6c11e6a004b52d6e8a7",
    "signature": "0xe735a6cde56b82495ad91d1f44aee3897bd23e6d4ebea63e4e9c696f1c5a0c7e0b6a371878d618696827925309a8a42974f4da675d169d3c53d548c5dd06d6bc1c",
    "signer": "0x4577Dd30e25C6cbF99cB58a5c0fa7c171da1A835",
    "userId": "62606"
  }
}