Transaction not yet indexed

28Cpk6wiKTSe1Tf6XUeFfscBN2cw24GmVVvihFxKBnPQ3CVC1DcG9VLay22EE4tQMR3fFaYRrAc7WxQVfaZ5BG9F

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