Transaction not yet indexed

Mdu9XUbeZmf7vahQZzZPBHssXDWV4FBErhanbbsSWURyUU6tV2QWBMBxgiVFpdRW7sLcTX9kKGVny2FM4iaPpCK

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