Transaction not yet indexed

AMK48dHMmEhBV8Ftd72JNv9CLEr4YYHK3vk8DebA7xt1xffaGcyvewh9LEWEu6mUssuPhcGUfFcXUYjR7C2ZpE7

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