Transaction not yet indexed

RU6gbLGEFFciYEELfV2DPja2Cy497upbX41n2ex7tDhX7Ce4v4pK55T7V1HWoF8jN53Ec6dfw3dnTMnTQ1X8pp7

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