{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1280680974",
    "entityType": "Track",
    "nonce": "0x50b4b70a65f5f6a4b5b635b7a7516c03b575c870cb695a9d86b2c3db16019f81",
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    "signer": "0xeecAC0808DE6320b11157473c635f58fFc0668A0",
    "userId": "423422344"
  }
}