Transaction not yet indexed

ExtKLmk88s2nY2HUcD3RBVD7gZavNAi1LaqejXo2ohsSN255ysVhq9ZX929PS3Vv5L5fsTCVKanpvpBchfvfAKt

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