{
  "manageEntity": {
    "action": "Delete",
    "entityId": "998678",
    "entityType": "Track",
    "nonce": "0xd1914d083bf7a499ae4b26eb24468bd56e9826b2a2ad1c88cb4309c3fa38184a",
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    "signer": "0x780028415E21688FAA8A7552D03fC4aFf55A839F",
    "userId": "10817"
  }
}