Transaction not yet indexed

21U7YoUaHCGSMMgsu2BqdFfKTTsEScgi4qaBbTZmLciPjywKRgCXxbPU4sowmqY9qkewUAeSR7uQk7dHir6QmDEx

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