Transaction not yet indexed

YMU9gbEpT1ZjwCQ6cCjh9LLGxVToim7XD7qAL2Vvqzdm8yPmcr3QFX89TCWp3GVwk7fWHSqKxLoZsoCkCLPgPQi

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