{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xbdc6baffb6d0ed0895b866070b6780f3305284197e76fdf19b0f853ecf3b3e93",
    "signature": "0x2926553273fa87f1d38b7a7ed36c5df2c29186f59f2f6b58e19948941ab7d009555eefc8d9d03cd2c59b249598e1b7dc84d2b1bebe717480a837ccff1cee32b21c",
    "signer": "0x7C634bc8303d9923BF5924Dc68bD6249Bb8bd551",
    "userId": "35078427"
  }
}