Transaction not yet indexed

MS77wkDQvvoW7BpoEvV4BNhFrqUj4dzaq9u6BcnBqJawhm4EffDCn7MuzHDoFWYmWnQSeg2fr5QtLjsbvMnGAuF

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