{
  "manageEntity": {
    "action": "Delete",
    "entityId": "688014434",
    "entityType": "Track",
    "nonce": "0x49c084142baa60b89c7c9a6dce4fb2970ffb09b3cf72c7bb0ae695cf3d6e326e",
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    "signer": "0xf2dFB9CBf2a1B8F321079d6B5576D6881b5c326f",
    "userId": "677238910"
  }
}