{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xe1da2a77c8cfe961fe18e7317d03be2ed3dd8580776b80befd7f5e5b22cae744",
    "signature": "0x6f4fc2944169aab5a13f2a06fb69e0bd8f7dfdd5684410740b801c9bcb55c8c54bf8bb55ef3e06830c79fd09f1b36c54c284cbfb6865c013014fe25a5c3db9451b",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}