Transaction not yet indexed

UdUfFQx3WAZvCscnnQYMTpwWkYwC138b7LR1QERregLYdU7VPSuvkP3g1Ycpv4ViCWZx5EBbRrr7mex6QE3RNX6

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