{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "392941848",
    "entityType": "User",
    "nonce": "0x090e9dddbb8963faf6872be38decc0a6d2b3d03911bb33ac917c242bdbade39a",
    "signature": "0x8fc69fe0513c05b030d14eb052645737b15b4dc4d6139accb06d969da3956fe4414ef4e9bf59b67ae20523da647fcef66768fc74060fdbd134b2128ac5e737021c",
    "signer": "0x9e23aBCB5e8B3C4178089434e70f7C584107de49",
    "userId": "11001"
  }
}