{
  "manageEntity": {
    "action": "Delete",
    "entityId": "423234",
    "entityType": "Track",
    "nonce": "0xe985d0c620eed294cd33554979bb8cfd93e575cae84282924759827bb63efd72",
    "signature": "0xb07e25db5b6b8b67c4db84d334273f6e073cb75b49a7afe069ed3358838ece706f017101fb4ffdb1f56c94ad90b3cc641682bb0cc329a3f08810ab30adddbf131b",
    "signer": "0x96c356dEff57c7855fbe778D304EdCb5109724F6",
    "userId": "78875"
  }
}