{
  "manageEntity": {
    "action": "Delete",
    "entityId": "423215",
    "entityType": "Track",
    "nonce": "0x689f6feaf79cf638f604b2471cac07be2b6e1373f17fa4d927cf5d091f6bbc13",
    "signature": "0xe4a97dce8331b7f3e7e9955b9710a6c402c6d0db3b5fb607e270e6432c71343c796fde34eb68a0f1bb5e4ce587486ce78a1eddeefa54c44bb77de36b8adad28f1b",
    "signer": "0x96c356dEff57c7855fbe778D304EdCb5109724F6",
    "userId": "78875"
  }
}