{
  "manageEntity": {
    "action": "Delete",
    "entityId": "250533",
    "entityType": "Track",
    "nonce": "0x306eb5fa47d9befb32c00820183b91bb6297c0c6b7013c5a68a1c59163822f56",
    "signature": "0xfb0e6f241e11f30a2d99e578c45ac624db4bd7fa3fed165770d146a98747ac624bc8f0d1fc64a5c7f1e1706e8ad68bc20afe55a61cde2d3e356c7fc9b72d3e721c",
    "signer": "0xfEf71DA96b2A873D3fFA10091881F607a11Fadcc",
    "userId": "94805"
  }
}