Transaction not yet indexed

mYCUccPBKX7Ed6H7n9NbtrvBW7iEyWPZh5fiUPdZTuE3xMiWEAEUvD6QByDi1wqXKSW2S5qBoRUSDkWs6ZNbsKF

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