{
  "manageEntity": {
    "action": "Delete",
    "entityId": "513107032",
    "entityType": "Track",
    "nonce": "0x5f906bcce797ff30fcb49930a07b9adf4b11fbf3af5180e302623e5968124307",
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    "signer": "0x9bAD192e2F0Fd2dfCd24CC1D26fbeC11f6018153",
    "userId": "134214"
  }
}