{
  "manageEntity": {
    "action": "Delete",
    "entityId": "775237087",
    "entityType": "Track",
    "nonce": "0xe3fdb589d83b638e33154b9b134a814b35fa8fea4439f6daa712532d70468133",
    "signature": "0x190ca289258d37c3411e307c88f553ef81f9d84bb9fec9eb5d35aa553e483fe655b267cbb56623ee8c828d872ab378c380d629b2332241efeeee4c4305b019791c",
    "signer": "0x5f0d2323c6d97125788903392a1cF91B49250e56",
    "userId": "666815500"
  }
}