Transaction not yet indexed

SM2gWHQJbDqWuPipE9WPFJ2f51unMXY1rXECHgi9GW5Q5h4eyAzRsFuVi7xXMpGDkVx1c5xaNegd7wiPM4HYwb2

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