Transaction not yet indexed

MuG9CYYUtzwEKaAMSvnBnAoeDRHc2spnfn9D4qYMZXWVzRD9fhNd8zdmGbT2NMn8mUGBUXBAZc2PXqPBgC91irC

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