Transaction not yet indexed

MMnmSYdfLpuqtxf5vMZbC9Xy9Q9fQLuv9MHF8KimoGqYcPXmj1vv5A2SjsPFfNHNe2M6GbpQZi5KGGtQXJGwNcZ

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