{
  "manageEntity": {
    "action": "Delete",
    "entityId": "564476854",
    "entityType": "Track",
    "nonce": "0x50648c69de1cf6cd1ff7053b1a14490fb31c60e81aa2f705ecdfef1b9a6cf04f",
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    "signer": "0x70DE3E32cb40Af4BbBFE727482Ba64c0DE1aB844",
    "userId": "18534721"
  }
}