{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x1acdfaf0e3470555c713fe0243d521b2bbe1d508c4e061b2dbb2015de9139b93",
    "signature": "0x11907235a088eccd52fc33bf1591126afb1e33361dbd890aec80bf8dcea945065c02d337325444ca8992f5871c032d4bbd3e839eecdc9de49ef8ab295ddc78251c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}