{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65052",
    "entityType": "User",
    "nonce": "0x34801d98324693963c73bf6993507aa8e50310d1c9a0aa71cf33c4a6b444c9cb",
    "signature": "0x8ddf1ddd4369a7cd788fcb950c15877de85f5b117e42b2d4e2b1c9cf724c9c3514d073e30b4f59dcd9b4e77e874c49e429146bbbfa7b9bd914dfa17d27ccc91f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}