Transaction not yet indexed

YYU7JxvA7sspSVGHKVicBKJLMdmGSZMaCHciPQNfEq3JBee9HMVQhhnE5AxpQ3kqffL2xEcsvFfUs4q8mTmMGZE

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