Transaction not yet indexed

aU91f2DuEk6e7cXULA9mqgDdFNHwE86aypmKBREi4NPRgpM9T6Z8M8pT27kdWS4ybSvSVpvyJoyKGhnv6pcrEn6

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