1HagmkgF6PuPFD41bbbdntzsr4aSBerHTX
Staking this address on 22/01/17
-----BEGIN BITCOIN SIGNATURE-----
Version: Bitcoin-qt (1.0)
Address: 1HagmkgF6PuPFD41bbbdntzsr4aSBerHTX
INILpUMs6lUaUiP7YSzgmTqmqhf2/7g9Q+AHJ+IQcHUlOAkSJU9V4tmGU+7dhKWi4qbDDT6dvugf4MK/2TjfPo8=
-----END BITCOIN SIGNATURE-----
Staking this address on 22/01/17
-----BEGIN BITCOIN SIGNATURE-----
Version: Bitcoin-qt (1.0)
Address: 1JtiptJgw1vTteB66ocAXAQQcdgcT3yUcb
HAhCLWtsDoZDx27JFxHuX1nfkMlj26fQNsD7dBXKXL3nac6HraEFMCFzyLAMqzuJ4uHm9pg1d2Ae3pyO877LUvs=
-----END BITCOIN SIGNATURE-----
The signature is fine, check e.g. on blocktrail[1], its just coinig thats broken.
[1] https://www.blocktrail.com/BTC?verifysignedmessage=1