create datum.json using Plutus

datum.js

//using  cardano-serialization-lib 
const plutusList = CSL.PlutusList.new();
plutusList.add(CSL.PlutusData.new_bytes(Buffer.from('3f7826896a48c593598465a096d63606ceb8206', 'hex')));
plutusList.add(CSL.PlutusData.new_integer(CSL.BigInt.from_str('1888')));
plutusList.add(CSL.PlutusData.new_integer(CSL.BigInt.from_str('1')));
CSL.PlutusData.new_constr_plutus_data(CSL.ConstrPlutusData.new(CSL.Int.new_i32(0), plutusList));

'''
{
	"constructor":0,
	"fields":
	[
		{
			"bytes":"3f7826896a48c593598465a096d63606ceb8206"
		},
		{
			"int":1888
		},
		{
			"int":1
		}
	]
}
'''