Transaction not yet indexed

256pMZHpoMkcGiRjsAMcAHFGLUwft1aqCxMegU5kcAVvMQCVkjqixMVYMd4rLNc1jP4pML2f9CzKnigtMdMXw1rR

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.