{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48108963",
    "entityType": "User",
    "nonce": "0x3faa4665bf7ac7af5688e5c71212ff36eeae87c7b2f9e35d3ee49c97100944a6",
    "signature": "0x9551ccf3b7f0e73ab998d5732fe0ca7de1923101bb93ec95f6a03253126e83a1247d36b04738bf802bd54e8aed8cc0de867f95f39b2c5004cc26a475b4fe7c951c",
    "signer": "0x49793Cd5b9669F83734850532782C2CADb475324",
    "userId": "271485152"
  }
}