{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1913030002",
    "entityType": "Track",
    "nonce": "0xcf5c073c7d0733f9dad4d2aa9cb5b9c9b7d83cadea607d47f6bf1e8fed7c82d7",
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    "signer": "0x5Bd2B55f9E919abFFCC7853cd54ABf716372E6Fc",
    "userId": "70026"
  }
}