{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "327242",
    "entityType": "Track",
    "nonce": "0x925315425bf2c7ae951345cd383fc9f57a2d715007677a6927ecf28776090fed",
    "signature": "0x21af3e75a383ea23bb64cbde63717fe8731ff9152b89b07de70b5035b2dc463974cd54f083b058c414322ddf33ab31c2a2f060402538cf30d2803b32bf5dfccb1c",
    "signer": "0x9222fd469d5905C6e5497fae8D2B3a42036E3b1f",
    "userId": "956961571"
  }
}