{
  "manageEntity": {
    "action": "Delete",
    "entityId": "353999025",
    "entityType": "Track",
    "nonce": "0xcc4355955f226eeeb309e5225196649e83ff842c682cfae6a709e646a5857db3",
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    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}