Transaction not yet indexed

28JgSVhkcxsYumFt7S2QHtgQxsEKsMr8qHg7XCNcbWC8gtbjhLbycTavaNpv64eFk1tdnK2Zj9UcJggMAUmSHz21

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