{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97457",
    "entityType": "User",
    "nonce": "0xefb69e1e61de8ff79453a2849d2bf1a6641e8b14c6d2d2ef8e42414319a0ee75",
    "signature": "0x4e5130ce19418036ac74bed92b3984195d14298c6db00c3746b4a676f9a543587c10d788ee0d781e38f22f10f7724f4c6ef29bfe79f3bb4c5987c27572e610391c",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}