Transaction not yet indexed

RDr28ZPSNLP21LUPsSQqjSS7Qruk7ViCxcjDZyJvrCpXnU98irX11j7uxZun7uj8NDBFs3DoZBj6N9jedXqAuPT

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