Transaction not yet indexed

mpV9A1f2sjdCEsHVLpr1GgvwT9b16L9D6FfGrMKNP6ixWBrzE6pLXeDLCZPoe5f3KFayUjgeShY8gmxnSVdpm12

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