{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "683609933",
    "entityType": "User",
    "nonce": "0xdbe23f805aa5cf9e8bc572e6b928246f4c87c6726d009ce9e1bbe8467778d77b",
    "signature": "0x9897afbb3263480c8887c3ca271601528bdd4e553def965a3afaaa219382326b2031d7cff8dd41aab7a368f578bdf1b6e87611635c2b88870b6a12a9de30b66a1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}