Transaction not yet indexed

28spfwndmfegqDM7riKXRq9EmrswuzcStyAToAXF8UHDyTSADz9k5saLnWZ6DGjGLNbBJY8NCCcNFb81KXmLMtt4

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