Transaction not yet indexed

mDff3bNxmjotWrCHA7Ug7fognrS5pHEg6W8zbhyr9kaJpLWfRmUkcpMs2gT7FvHEN973qZSLTvVUs5adK5DNSa4

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