{
  "manageEntity": {
    "action": "Delete",
    "entityId": "462688940",
    "entityType": "Track",
    "nonce": "0x00b9e15b111a808e8a96520d0d87bc1c0d51e92b55fba1c3a4b4b58f00b4be48",
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    "signer": "0x6C1EF2E9c33E2ba1c0d352e41e06e8a3C7721C6f",
    "userId": "28561"
  }
}