{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xa0d835e9eaf6e74dfef9fe6853afbded544b732659adb650c083b36bf0f497d7",
    "signature": "0x58e5a3e7759e3c6dbaa8641115eb4c675a48c5cadbc112d574aeb9310d7bb014148fa8684ad1af7005986696853794a683296ca2699ea5c30e563886c3cc539c1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}