{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584186978",
    "entityType": "User",
    "nonce": "0xfef1e99ccd95b77a21296554a8fbbb1def0e1bb5784e226ef2d57510fc63b22c",
    "signature": "0x6d6432debd0e6ea76e1d6a7bf0e62eb60cc5a00dff3db801cffc2fc0a44acd307c9e7f0de086d16351817d3449df5fc7cbeae472552be638929b7f572d9bd1711b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}