{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xbdd6efb0a8e3289f99ca3e7eed0b17529dfc413f3b3b8ba81197ed05651884ee",
    "signature": "0xef8faae89e3f5133c8a34265bb03de14126e969214352176b8086bf73fe35ba15c0a8f5b129ae4627b2f323f8b93b212468720cfb328e246bb6eb55e4e39a8761b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}