{
  "manageEntity": {
    "action": "Delete",
    "entityId": "2123398958",
    "entityType": "Track",
    "nonce": "0xd66f0cfb2e846af30b1a409f11e9967d81474ccf31f690db698f960c27c25aa3",
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    "signer": "0x01b7dF4992b462968b6077496f6B6C9E50b5a907",
    "userId": "638730380"
  }
}