Transaction not yet indexed

121DdUDaZKYM8SNMC2ez2D9akZQGjtxucR8RwVToRXXaiTPR2kvzaPvA9kWexHurtvnRvAVVPzm7jDEahGq39FT7

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