{
  "manageEntity": {
    "action": "Delete",
    "entityId": "423231",
    "entityType": "Track",
    "nonce": "0x9c3ac2d0ea520327ee2096611666d3268629504464708688cde0e8c486bddd61",
    "signature": "0x12e7b4ffc97b376b22a2e02bd3c1ab050b37337f7fc7a79d6b4eaad7209befd40a0a167adcfb483ba2fd006264fb8410a6964a38f1f1c4fcff6f62d766dc55d51b",
    "signer": "0x96c356dEff57c7855fbe778D304EdCb5109724F6",
    "userId": "78875"
  }
}