{
  "manageEntity": {
    "action": "Delete",
    "entityId": "743055192",
    "entityType": "Track",
    "nonce": "0x2965680ea2f2d88c0346cbf404672a06add3845dd1d676d0d69f136a93e1f9d2",
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    "signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
    "userId": "715160400"
  }
}