thats all!!!
https://blockchain.info/address/1EWEj44GfdSgNwfsK43aEpKW4MKGLGiXD5

== BEGIN PLAINTEXT MESSAGE ==
hello its purebtc
== END PLAINTEXT MESSAGE ==
Signed with Bitcoin address 1EWEj44GfdSgNwfsK43aEpKW4MKGLGiXD5 :
HCKxUPNFcg7eLMhdR7JAax16zG8ZSmzLDU+1c3i2pSEcrFE6LgZl0fpYmidqxFrKBtTAcitlu3r9X8D3JASl8uo=