{
  "manageEntity": {
    "action": "Delete",
    "entityId": "552129453",
    "entityType": "Track",
    "nonce": "0x215eda5e80a999045a53904954a64ae826e0ccc48c00efbfe45769fa6ca62fd2",
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    "signer": "0x104dbbA81CD5344b87Eb387a00b6a118C6324431",
    "userId": "116979"
  }
}