{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xb2abb8233556c113655afcdb947498b350a8e52b1737bc8a604ccafa00ad18cd",
    "signature": "0xf315e1ba7fea99aa3602b9a605a0b3762d17721306490de3b2fe57a220303aed0a3d3f776b7eeec24edca62721442e6f3cbd1b067c11705f93f6a6f8f92b6a961b",
    "signer": "0xD7802a66Ed086bbc392702454BfD14ed84290503",
    "userId": "960393016"
  }
}