Transaction not yet indexed

Y6a21eGagLSHf6rKvNm3UkB7ELDzCS3frPoAsLsVeYa9m8vZimoJbtvX1356LccFUYNtTvpQvDoMqYf3hgRQdLo

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