Transaction not yet indexed

RD6smvbTThYfTbUpbDVWgQwNiaWQrzV4rGz8yVG8ftmfSECcX38tuqykzNJkjYgs4SfJWPGoWqBF8DqEMRtLiot

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