Transaction not yet indexed

MMfL88LBSJ8x2uZXoqaauexDujL7QTtmzYPzC9bbNRPmXEK2Tiy4zMPP6uSdA4oaqjGU7iPM8LvabJMkzLyiFoP

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