{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995293503",
    "entityType": "User",
    "nonce": "0x7dcbd37d49e3c475a395ace47728b84a8c72abd9428995b5af37e8b12dec6e4b",
    "signature": "0x404f5b8a4b8a08f615a8b15849a68dd86054c8bfad21646d8e13588e175ecf9c666a1577c436c63b2b23bd1401fe7faf904842ea9fc35a1bf604fe544a96811f1c",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}