{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77916",
    "entityType": "User",
    "nonce": "0x20d38cf0154b16bbf5cad555ec869093294ed00afe84f36a5bf19bd07a1081d0",
    "signature": "0x138e62d839d732547d677630c799848529ec978666804ac2eded5bb3f426b8326a7d78a9f8f37f328ecab096ff6e2ad4485cc05e341352390247ced7ccecc23b1c",
    "signer": "0x6fb79570A836Ea8554ad1D745C12769B22f1e4E3",
    "userId": "283478"
  }
}