It looks like the private key you published belongs to this public address
EOS5ueRfpHnWxbxysRpcsUkBsma7vWvZjgQYi9jU9cY7wyiSQd9Zx
which is not on the main chain, meaning there is no account associated with it.
cleos get accounts EOS5ueRfpHnWxbxysRpcsUkBsma7vWvZjgQYi9jU9cY7wyiSQd9Zx
{
"account_names": []
}
It is linked to yostealmyeos. Someone changed it.. But I changed it back!
cleos get account yostealmyeos
permissions:
owner 1: 1 EOS6ka7tgmPJGEAPnNsxxeSNQUwqLMu44gZhnHY8RtXwPPKGFadak
active 1: 1 EOS6ka7tgmPJGEAPnNsxxeSNQUwqLMu44gZhnHY8RtXwPPKGFadak
Your private key is for this public key EOS5ueRfpHnWxbxysRpcsUkBsma7vWvZjgQYi9jU9cY7wyiSQd9Zx
It is not associated with any EOS account.
cleos get accounts EOS5ueRfpHnWxbxysRpcsUkBsma7vWvZjgQYi9jU9cY7wyiSQd9Zx
{
"account_names": []
}
Again, I changed the key back to my possession to prevent any loss of funds since somebody unstaked the tokens. You can check the history in a block explorer for eos to see for yourself!