{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x9023b834caeb803f3899f7722d83ce5ed0722c08aa13ae35d315917f763aa5f5",
    "signature": "0xf082be077ef74c05229c3a61ec4eeee32d347cdf7d7d9e1c9dd29ea5feca5824349d27aea9e9543c8433bc64a2b294599cbae58f53a3206bd220a7a49fb215dc1c",
    "signer": "0x7236f33AFc69e112EEadb51267423A33BaC3CbEC",
    "userId": "583435112"
  }
}