Transaction not yet indexed

21UUMQVPzcWeHpVaLHc7HhZBBZbSTGcPzSEWq5fRmP7BcnA6GuNddLwzoq1NMfoem7h3GvTNAL57D1rf2qRmxBMz

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