{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115398",
    "entityType": "User",
    "nonce": "0x93351dda19b44e6929d4082d059702c700f3ebde5b2ea09be9b2add1609830ed",
    "signature": "0x6ad244a6192b525f1d23a0115cfa49310e4c70a0017de0eebba91a7a0ad8e5fa1334e867def10c93179232daf0da2275ded9b58f8d9c3816445172e1b3cd735b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}