{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1583509365",
    "entityType": "Track",
    "nonce": "0xee0212527cb1b38ca567f17706a6f32c6004a1088b5d377f4ce318d1b32efa6d",
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    "signer": "0xd12A323399559A3773F865c8F21031bc39c29135",
    "userId": "219968466"
  }
}