asset: 'xamdfH5Uk+alv3le0pEA01qSsfZjycyMsqaqHtycJ1M=',
'X5ZHWBYBF4TUYS35HU3ROVDQJC772ZMG',
'GZSEKMEQVOW2ZAHDZBABRTECDSDFBWVH',
'2QLYLKHMUG237QG36Z6AWLVH4KQ4MEY6'
client.post.assetAttestors(params, wif, function(err, result) {
if (err) return console.error(err);