{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xd02b9baeaa102cc72bf12ba542b81d51b0dfaa8cee35a879b049ddba9646809a",
    "signature": "0xbdee5ac7e46194bbaf3a22435b17fbc98458bfab58e036c3f3237ed62d2690a111a6bcefd395b5124dede8a9cb3622a0a91e30b464e9cc472b06395c719744df1b",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}