{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49756",
    "entityType": "User",
    "nonce": "0xa41fc8365c0168dfd7e450e709debf46158a3feea7c9f5d4e551c310910962c7",
    "signature": "0x2913552f4d83044cb2f959aa98196103a8a423175ed81d354265613775e91b2a6498094511e9a8a6f45540193702fd53be1ad24f166a7a97706b1888e15db7f91b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}