Transaction not yet indexed

uM6tSPkhAWAz9rj1wrkrC7Btn7Vw7TdH9gEr3wnq32qx3k7YTen54X7oFLhLYx1RSftmRUA9uxBcmd8S1gESaSe

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