Transaction not yet indexed

28uwRSP3N2MC2ui2cmoBbkjqZRBc8GhHuus21UkZvzxNw9P28qzSLbgsHtCVLk2tPpA6pmSq7BXWM3oB7CbqJvz8

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