{
  "manageEntity": {
    "action": "Delete",
    "entityId": "467327",
    "entityType": "Track",
    "nonce": "0x21ce57300d0843b3d616d1a75d8324319628fcf656a1661e5798e05ad3c12779",
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    "signer": "0x4577Dd30e25C6cbF99cB58a5c0fa7c171da1A835",
    "userId": "62606"
  }
}