Transaction not yet indexed

NU3mhRPAstaf6eNiKvwA9AqEUAVAYAD73ZUk9gpE3QLi7ndNRBXdT3dQajCvQ6VTZajF5HCLLSodWFc8FNkMJpE

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