{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1308720338",
    "entityType": "Track",
    "nonce": "0x675bbe33a9677fc29bc49da46484cdaaddaa458691bcedb0494a5c829a622773",
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    "signer": "0x1AFcA77c35a2Cb14dD8DE24b25B9be2f92B700cd",
    "userId": "558370021"
  }
}