I've already provided a signature, can't I ask for trouble?
I asked for a Bitcoin signed message from the address in the profile or an address you previously deposited from and gave you a link to the instructions.
https://bitcointalk.org/index.php?topic=990345.0If you had read those instructions you would know that a Bitcoin signed message consists of 3 things.
1) A message
2) A Bitcoin address
3) The signature
You posted this: (non English language removed to comply with forum rules).
I can provide bitcoin signatures
Sigscript
IG336UfxCmC7a5cfTh+LXI3NB1jRasvh0LLNeKentAODGlcNmSib0tlxoco2l+NlTntPrI9ycmQCTamxlaXDd6U=
Sigscript
IPkMIBsrHhR9IWui437EdyTbrYdy9S5aJoDOfmozBDdpaCkAjYp+0/IX/KV9Vk4Xw06mzzq8RAcLRsFakC3eZao=
blockchain.com
is the signature of the blockchain.com website
There is no message telling me what you want to do to the account/
There is no Bitcoin address or explanation of how that address is was previously connected to the account.
Without that there is nothing to verify.