{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "842470333",
    "entityType": "User",
    "nonce": "0x5aa87a8326dc81b408833f86ed0ffb702f38e42334dba4e7f535724d42cbf05a",
    "signature": "0xe61c7fe998d3bcccd7f7a716d67068cc06d6293d92ceb4cd7a745a8c2611a7492244f3f960236023e7af0087e117cc1d9dbd73268073a77f2b589a20dcbffd7e1c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}