{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205876401",
    "entityType": "User",
    "nonce": "0x9c42326802916a29fcb6d1a57a5c7c6fc3931c005e8e2a83c4f94465529a8d5e",
    "signature": "0xbfd7142682ee87c40ebabf2e05896319c19193a368f5f12686af5cb84187a8a50a21864a48ff84a937a803cf1984d0dc402820ba0b11ac6d2e0b5de660a8038b1c",
    "signer": "0x344Cc6Cd6326A3Fc46e2f789e02111af483Df673",
    "userId": "980331"
  }
}