select count (distinct(instruction:accounts[6])) as mSOLaccount
from solana.fact_events
where block_timestamp::date >= '2022-03-01' and block_timestamp::date < '2022-04-01'
and instruction:programId = 'MarBmsSgKXdrN1egZf5sqe1TMai9K1rChYNDJgjq7aD'
and instruction:accounts[2] = 'UefNb6z6yvArqe4cJHTXCqStRsKmWhGxnZzuHbikP5Q'