{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "392153",
    "entityType": "User",
    "nonce": "0x8849015c17e9cdc4b07b62fca0aac7c9c65c10626636ad3c72bc9b56a6b62d10",
    "signature": "0x14dde9ef5a3faa77429da7bb1eb00518be72eb4116877753a32ed65bb696809a488302ebcd8cce506f5cdc6c0e567254af181a0d1a5c84ef1278ef8277d4090e1b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}