Transaction not yet indexed

MUeMLpdQgg2E2YE1uKRKKC4cA1ZBkef2e2BMbDEfMSWatHAjffn3P9fcq4SxXKo4AA2ebBAMbm6zKbWpLsGJ9NF

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