{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "334034278",
    "entityType": "Track",
    "nonce": "0xae139343c0feacf07d53c6b5d7ae7d20a7e226dcf522f3c1f88193c6d6fe714d",
    "signature": "0x7f5205e678b1ec9dfb2cec2ec75ee4bbe62201b2e6adb7d168ee38f7ca9056b46f36726d9d59a053e3df208f62e2db85b221e31debc2f75ed9bd820ecfbb82a01b",
    "signer": "0x90CBf7c9BBF688fd9Fa4029B96e1BC32b270cA24",
    "userId": "711459379"
  }
}