Transaction not yet indexed

MtSW9oRoDkb5LR3aV5vHWwe5YgEdnd2QbKNwhmbZgqZgAVSts9K3kZzAnEzZTSa9VAks5mPT1Y9nuGbGbhuSpZA

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