{
  "manageEntity": {
    "action": "Delete",
    "entityId": "287745943",
    "entityType": "Track",
    "nonce": "0xd910fd2cfbf2671bc39594da05a0fc7a384441382e11bf302d9705feaa46ce08",
    "signature": "0xde57ef83b4b2b1f83da706f6b0358501a7aea14f1e0f429972cd5fabc5f6cdf809308690d923d2524d157ec13ddb2919ad9ae4a0753ebdb65e280cba239fa6021b",
    "signer": "0x77dc0D687FdCf6769B72c6e7a907f005c300B0dd",
    "userId": "87862265"
  }
}