Transaction not yet indexed

28ub1LEG2jrRiM5vtfVktyX5txaLQG11Q1oNq2zUnnWsjxYfQXqvnyP11HiB2UnLn4YdbXHotPbhnpwrm2x5gVTy

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