{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xcb39d97d2caeddd94196b6e20e80e0bb860fa86b9cfb2be8142632259d62d7d2",
    "signature": "0x71f8d1a211892dae51411fce6f25542ce5cef49812319a1e84e01d6b9836d11b2208d9483f62ece0ecff6834f28fb682b6809e0be13833f5e7c310cbc70510451b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}