select max(block_timestamp) as max_date,
min (block_timestamp) as min_date,
datediff('minute',min_date,max_date) as diff
from algorand.payment_transaction
where block_timestamp::date > '2022-03-30'
and try_base64_decode_string(tx_message:txn:note::string) like '%af/gov1:j{"rewardsPrd":2%'
and sender = '57QZ4S7YHTWPRAM3DQ2MLNSVLAQB7DTK4D7SUNRIEFMRGOU7DMYFGF55BY'