Transaction not yet indexed

YA1mFbKDFEefjp9aaWcrnAwhqKns9fGfA3QFPr21bBUpzUfKqMCrFWybwugyTL7pQaDWbrbHTy5stGLU1xYSYup

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