`message` TEXT, -- Message content (BASE64)
`attributes` TEXT, -- Message attributes (JSON)
`published` BIGINT(20), -- The publication time (unixtime)
`scheduled` BIGINT(20 => 30*24*60*60, # 30 days max (how time to hold of messages)
MAXTIME => 300, # 5 min
JSON_ATTRS => [
{ # For serialize
utf8 => 0,
pretty => 1,ect
`message` TEXT, -- Message content (BASE64)
`attributes` TEXT, -- Message attributes (JSON)
`published` BIGINT(20), -- The publication time (unixtime)
`scheduled` BIGINT(20), -- Th `message` TEXT, -- Message content (BASE64)
`attributes` TEXT, -- Message attributes (JSON)
`published` BIGINT(20), -- The publication time (unixtime)
`scheduled` BIGINT(20