{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "351",
    "entityType": "User",
    "nonce": "0x1145824f4009cfcd7359db495527487dbf163c9f6122daf6f7b6788269e1adfb",
    "signature": "0x321e4e3a4e2290e6f76ceb57c9793efca9ad31fa2f21c42113fa2d6cb50711243affd51b17f5e16f027a4c92203b4aba7243d20bd0c8dba3cb41ea7876e5d1981c",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}