Transaction not yet indexed

5n991TrQqg1t49verDUUW2RkK6P34dzHS3VcTTKm1xJA9ZLHTEhe8KAAK8k6e28KHSh2p6Q22T7wmdzu7bLGsAWE

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