{
  "manageEntity": {
    "action": "Delete",
    "entityId": "944037612",
    "entityType": "Track",
    "nonce": "0x46d4b4537c2aaca919343c522f55cd64a48cf901862748f11001002bb7c1e451",
    "signature": "0x1272ac454d9c62c95d9bf5d09a1e4cbefbe09ebb8d35293bbee60a5ad48b4c9345ed7cc5cfa784be829a5edb10cf03071d0d60d4a715742a16a0c02e16dbd36f1c",
    "signer": "0x51B896b79E19449312674A73Bf3021BD6252F9B4",
    "userId": "791757689"
  }
}