{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "241642235",
    "entityType": "Track",
    "nonce": "0xb978a7ea1fc114b06da20870a4d708209acad39e39308a4160a61c1ae93052cd",
    "signature": "0x567165b8bd6538c471acbc881905508c349dce1f9eabd99a4bbecd46a5a3bb472ef05b9c19030345f9e83e1018e69cfb163c29e0942dca383c1df4abc87f6b291c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}