Transaction not yet indexed

28Swm56mhAgpFFseGYGjYHjdzsGSPejLtFkjQPJDRRhuFVa2Jqv1ZVLeNm7rZtr5ij3JeggfNNy4f8EdBLzBjxHY

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