Transaction not yet indexed

4Uu6KPMDa7bWSL4uTKPotqAvPFZU1qaCng3GQG6EdZofTbHDCrEGJBxYXpvbfmQWwMTH6svin7RpamYrNEZpZP21

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