{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6d86a62298ba4e369002e7e0aee2ca1a7401efc18ec37261e92116a1070eb923",
    "signature": "0x97f894a7867b2f8ef86bbd96bdf8fc35f0ae61796799ea35dd93ef7c980772640fd8028df5a5fc515f1e4d6fa9ca405cbfcd04b105a646cac0adbe08db58667f1b",
    "signer": "0xAEc4BA229696a4DAe2125cD32943943AaCa0CaF4",
    "userId": "354024696"
  }
}