{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x85e09678b5fadb7d31447e452352e9b13bd98967211f5b29248730cfcdc99eef",
    "signature": "0xcb0af0ffddd5ff0f370fe26813572b91fc43aaef3e7f3177890dfccdc91c723564329e4ef99d4389f1da9fd5facdfb5092706375552c021f5d1a29c8bab8f37e1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}