Transaction not yet indexed

Mtk1oSmUSwpGHtZj6UDmVbRYqH12kJCco2XmDRaftQpx7Tn1tPwvaaFAc9Wed92nxS3yRP7kFAnfZNUdJ1cUed4

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