Transaction not yet indexed

Sb6mBWBFESSZttbtzB5qVi2zAAirJjpFDfq2oyZTPooqwtUWqaH9GWTHfekJi57FhD4JaEYPSLE3t7yJc6oh2ns

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