{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56560",
    "entityType": "User",
    "nonce": "0x8e418fc22b711cfca95fc6cf504487a01d5ebd10ad877816dda70f16b6a5afe0",
    "signature": "0xb41693066f9910d56fd48479df1bd8d6edf138e06949a52aef89875638ddbea732d3bbb1cc7cd42fa7453632d4657ad53aa45ccd49df818acd4e851da02a639b1c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}