I think a bit more context is needed here to make helping easier. What tool / API did you use to get this dataset?
I wrote a script for node js that pulls the entire base of the key -- value pair and saves everything to a file
var level = require('level')
const fs = require("fs");
var i=0;
var db = level('chainstate' ,{keyEncoding:'hex',valueEncoding:'hex'})
var s='';
function hextoString(str){
const buf = new Buffer(str, 'hex');
return buf.toString('utf-8');
}
db.createReadStream({ keys: true, values: true })
.on('data', function (data) {
s='{'+data.key+'--'+data.value+'}'
console.log(s);
fs.appendFileSync("base.db", s);
i=i+1;
console.log(i);
})
console.log('**************************************');