Transaction not yet indexed

AM9LfbNqQ8ytv5KcUTdoaHXdFcQQjnqfeCFiAkArLTSbKWA61wiuADigP1BivsuTx8FmsFJLQvjrcdP2afB1osM

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