{
  "manageEntity": {
    "action": "Delete",
    "entityId": "985211157",
    "entityType": "Track",
    "nonce": "0x3eaf7401680c84218cdbf53bfbd89f048b2c999ab6c0ee2cff62e0aac6539fc5",
    "signature": "0xf8709191a2a30a96bc94ae3e728fb954b3503db8f356c2640385044f5ac770df608063f4207d3892668e9758be7303471d9990a0a23dd322135da6cfe118c2041c",
    "signer": "0xB1fdb4211728Aa91cA335811E0eAaD06b27686e4",
    "userId": "135129254"
  }
}