Transaction not yet indexed

5M12WASGJtcXihnup2TJbvMmivG87ipbaWDN4e6aDLswMTRFjwHT9PNcjYQWMAShkkUqVJ9WMc19FSh9emqTwCuk

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