msgpack_180_1.rb

require 'msgpack'

# x = "\x82\xA9condition\xA2OR\xA6groups\x92\x82\xA9condition\xA2or\xA7filters\x91\x83\xA3col\xAAbirth_date\x
# A3ope\xA5month\xA3val\xA12\x82\xA9condition\xA2or\xA7filters\x91\x83\xA3col\xADshare_capital\xA3ope\xB3greater_or_equal_
# th\xDD\x98[)\x8DL\f\v\x8C\f"

# MessagePack.unpack x

x2 = "\x82\xA9condition\xA2OR\xA6groups\x92\x82\xA9condition\xA2or\xA7filters\x91\x83\xA3col\xAAbirth_date\xA3ope\xA5month\xA3val\xA12\x82\xA9condition\xA2or\xA7filters\x91\x83\xA3col\xADshare_capital\xA3ope\xB3greater_or_equal_th\xDD\x98[)\x8DL\f\v\x8C\f"

MessagePack.unpack x2

msgpack_180_1_result.txt

MBA:~ tagomoris$ ruby msgpack_180_1.rb 
msgpack_180_1.rb:3: invalid hex escape
...\x91\x83\xA3col\xAAbirth_date\x
MBA:~ tagomoris$ ruby msgpack_180_1.rb 
Traceback (most recent call last):
	2: from msgpack_180_1.rb:11:in `<main>'
	1: from /Users/tagomoris/.rbenv/versions/2.7.0/lib/ruby/gems/2.7.0/gems/msgpack-1.3.3/lib/msgpack.rb:37:in `load'
/Users/tagomoris/.rbenv/versions/2.7.0/lib/ruby/gems/2.7.0/gems/msgpack-1.3.3/lib/msgpack.rb:37:in `full_unpack': end of buffer reached (EOFError)

msgpack_180_2.rb

require 'msgpack'
require 'base64'

# b = "gqljb25kaXRpb26iT1KmZ3JvdXBzkoKpY29uZGl0aW9uom9yp2ZpbHRlcnORg6Njb2yqYmlydGhfZGF0ZaNvcGWlbW9udGijdmFsoTKCqWNvbmRp
# dGlvbqJvcqdmaWx0ZXJzkYOjY29srXNoYXJlX2NhcGl0YWyjb3BlsGdyZWF0ZXJvcmVxdWFsdG-jdmFspjUwMC4wMA"

# MessagePack.unpack Base64.decode64(b)

b = "gqljb25kaXRpb26iT1KmZ3JvdXBzkoKpY29uZGl0aW9uom9yp2ZpbHRlcnORg6Njb2yqYmlydGhfZGF0ZaNvcGWlbW9udGijdmFsoTKCqWNvbmRpdGlvbqJvcqdmaWx0ZXJzkYOjY29srXNoYXJlX2NhcGl0YWyjb3BlsGdyZWF0ZXJvcmVxdWFsdG-jdmFspjUwMC4wMA"

MessagePack.unpack Base64.decode64(b)

msgpack_180_2_result.txt

MBA:~ tagomoris$ ruby msgpack_180_2.rb 
Traceback (most recent call last):
	2: from msgpack_180_2.rb:7:in `<main>'
	1: from /Users/tagomoris/.rbenv/versions/2.7.0/lib/ruby/gems/2.7.0/gems/msgpack-1.3.3/lib/msgpack.rb:37:in `load'
/Users/tagomoris/.rbenv/versions/2.7.0/lib/ruby/gems/2.7.0/gems/msgpack-1.3.3/lib/msgpack.rb:37:in `full_unpack': end of buffer reached (EOFError)
MBA:~ tagomoris$ ruby msgpack_180_2.rb 
Traceback (most recent call last):
	2: from msgpack_180_2.rb:11:in `<main>'
	1: from /Users/tagomoris/.rbenv/versions/2.7.0/lib/ruby/gems/2.7.0/gems/msgpack-1.3.3/lib/msgpack.rb:37:in `load'
/Users/tagomoris/.rbenv/versions/2.7.0/lib/ruby/gems/2.7.0/gems/msgpack-1.3.3/lib/msgpack.rb:37:in `full_unpack': end of buffer reached (EOFError)

msgpack_180_3.rb

require 'msgpack'
require 'json'

json1 = <<EOJ
{"condition":"OR","groups":[{"condition":"or","filters":[{"col":"birth_date","ope":"month","val":"2"}]},{"condition":"or","filters":[{"col":"share_capital","ope":"greaterorequalto","val":"500.00"}]}]}
EOJ

MessagePack.unpack(MessagePack.pack(JSON.load(json1)))

json2 = <<EOJ
{"condition":"OR","groups":[{"condition":"or","filters":[{"col":"birthdate","ope":"month","val":"2"}]},{"condition":"or","filters":[{"col":"share_capital","ope":"greaterorequalto","val":"500.00"}]}]}
EOJ

MessagePack.unpack(MessagePack.pack(JSON.load(json2)))