{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1030478752",
    "entityType": "Track",
    "nonce": "0x898d7fb33f460dfe3128439e5f7deb1d83dcb7cfb9fafc870277a3b3c2304c1b",
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    "signer": "0x14E5651AA03cf9Daf635147EEE143e7Ff4EfFDd2",
    "userId": "509651367"
  }
}