Transaction not yet indexed

MukFuLS4e24aYT3kHbfhtqqiAfHAUctFT4Q5ssUJvA6WsUQmeP5srUDjdxZ2bQcbiK6Ww9nDsFocrq7QP1Qizd8

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