{
  "manageEntity": {
    "action": "Delete",
    "entityId": "291557460",
    "entityType": "Track",
    "nonce": "0x6c98ef98a421b58c0c0d941214029b51cb5a303c4f54d3260160ca45c89578e7",
    "signature": "0x3fed972c534579523f9e738b22097b3c03de5bcfc6bd2e4692180f9f28ebdb302a407f3dbfd82de63dffbe1b67f6ab77d683bb53ceee9219372907ce576d33271c",
    "signer": "0x47bF11DdE03594c25814c08592866D0B09eb566A",
    "userId": "597397433"
  }
}