Transaction not yet indexed

21iU99bvxYFDEZwTP1aw6sQRXtH4jNr5d8kRz5vbA4vxPgVGTMoUtWwCjTD2JndpxxjKfkUnNM8BKLUrL4gYmLc3

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