Transaction not yet indexed

28STkhufSTKKbJCuB6hy4pvRg2M9UzYunXzu6fU1eHhijTPi4XBfHsoqXLjQFkqaSMLDw3X6ProTdPUzXjJU9N5T

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