{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176490",
    "entityType": "User",
    "nonce": "0x05f52d6b987f419a54ff213fff6105439d56a8ab1109d15aa1367f7cac336306",
    "signature": "0x88185a181b1bb324fc869c40c20ea7b8338f482e16841d6016f7444589f429a56d5a59c29c14d7e44e015bfbaaea54cdb502a9414145d7409e0e40fe818d76441c",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}