Transaction not yet indexed

28SPf89CHpbLkKoYoWjfLacNAukHbcXXQiWHPCXSFf9uoBWvvBqaMamxfW2CHgkqXL4uM8G7wsbJK2iBZbupPuwQ

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