{
  "manageEntity": {
    "action": "Delete",
    "entityId": "423211",
    "entityType": "Track",
    "nonce": "0x2738b640934501c2382a1ef52325472e814c915c1f71ca9078ce18d9667ada3d",
    "signature": "0xe6c1a54e3e7b9fb44651c401729c90384e7e98226ebc8c4d2d64e491ba7cf9a77be7236673b48a8f77b6566f1589b4ba14b8f53743789cad829af19bcf2752921b",
    "signer": "0x96c356dEff57c7855fbe778D304EdCb5109724F6",
    "userId": "78875"
  }
}