{
  "manageEntity": {
    "action": "Delete",
    "entityId": "388215114",
    "entityType": "Track",
    "nonce": "0x5381f08cecd25a7ced227ae02fc11a672481abddc447b79e5698464f2a0c15ef",
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    "signer": "0x40f9c8F93a5aDBc620CB9B7707fAbcbA2fDFaBbA",
    "userId": "765901034"
  }
}