{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206799",
    "entityType": "User",
    "nonce": "0x6b8c6f1c44778614ebbc52cbd35fb8ac91abb67baf4512a80df726013e32ef8b",
    "signature": "0x1c152ccebbe523abbbcdea92fa26406e76463c973eae943acc2560007b104d2415d08e2020c3ddef1cada581ebd2694e56aa22f5c44285fc6c92bebcaaa95d191c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}