{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x8e340752f34d395641fe3869f05599ff97841488e21ce16dffa0e3e2d97a492b",
    "signature": "0x8f701c593152afdccc75af5fb2fcde3e4a910845f64967fb82bd5362b13f194722f61f6867946258ee39f17a2c6aca12b5725156c056c9fabd5da6ae1d63c2ae1c",
    "signer": "0x4b6B842af75cfAF1fb1Bd7B073C47b1001242a5C",
    "userId": "539898390"
  }
}