{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1219510396",
    "entityType": "Track",
    "nonce": "0x59bdb2817a5498cb12db4bbf7a57cb4f525699ed08189edeb81f7856c11f6ee1",
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    "signer": "0x6C1EF2E9c33E2ba1c0d352e41e06e8a3C7721C6f",
    "userId": "28561"
  }
}