{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "809803",
    "entityType": "User",
    "nonce": "0xd731dbca3760168a1923ca2bf48d52da45b3e7d7c0c14033324ab15ca0ae225c",
    "signature": "0x3ad84e0cbf910b2b7b28a4cb4e61f720220e941732f4599d9305fe523d0b6fd647e1c0e0d12853a354565c4eba52d5a996b70fa81264ed4e60b55bcaa734e3061b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}