{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "957873025",
    "entityType": "User",
    "nonce": "0x226c2b18a8a37d5fed111c13991c4374a8b04d6e25a69474ed8d905ed7d1fb51",
    "signature": "0x6364673dd4f740a85beb9e77b9bf9c0bcfe671fe11012cf691a46d5133cabaff38171022125747fed93faf7996f5efec6aa68d648db0f806a6a72c585a00ae211c",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}