{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1777704611",
    "entityType": "Track",
    "nonce": "0xe69a720c36d615f4dd59db1f73c2a7ed6cb51681eea9b6acaf477c728707bc17",
    "signature": "0x215638affabe6a052402b6fe8ad8373dd34a72b4e801f48015773af2160c538275e402070ad16a31e97aba30d6accceeb7b081d40462f7d93fbd647fc31ea98b1c",
    "signer": "0x406e72F6E0477C3f341Eba89411b7939AEF4533B",
    "userId": "50722"
  }
}