{
  "manageEntity": {
    "action": "Delete",
    "entityId": "12021226",
    "entityType": "Track",
    "nonce": "0xa0c43cb400e3e7fcb7b7ffa88faa2774374978f3b148ae30847223e1511c599f",
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    "signer": "0xBA54BE62817917A6840BA4fafd74Ba3F102Cc090",
    "userId": "499966629"
  }
}