Get definition

const address = 'TMWNLXR42CKIP4A774BQGNVBZAPHY7GH';
​
client.api.getDefinition(address, function(err, result) {
  if (err) return console.error(err);
  console.log(result);
});

[
  'sig',
  {
    pubkey: 'AsD2GQ3+CSHfFO9CfX8+gBxmxSm9TGweKjWVie0rt/0p'
  }
]

const params = {
  address; 'TMWNLXR42CKIP4A774BQGNVBZAPHY7GH'
};
​
client.api.getDefinitionForAddress(address, function(err, result) {
  if (err) return console.error(err);
  console.log(result);
});

{
    definition_chash: "TMWNLXR42CKIP4A774BQGNVBZAPHY7GH",
    definition: [
        "sig",
        {
            pubkey: "AsD2GQ3+CSHfFO9CfX8+gBxmxSm9TGweKjWVie0rt/0p"
        }
    ],
    is_stable: true
}