Transaction not yet indexed

28SpwRVhRgDdg3ybTnMLZUMP2mN2RThreiXuBPefYj2KPBzYMRwktaZ6NpD3Wb6BA2KMPaVEEu2F5RomSW2ZDGp7

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