Transaction not yet indexed

28PSfCJTrKxRiT61WRfqmAmiqeyrzsCgKDWV1oUk2X8qLk9X6d9xGGb3yiX1FDMFqk4BiXWmPrqTjFbpNP3aXoaN

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