this.$http.post('http://localhost:3000/store', {something: 'string'}, {
headers: {
'Accept': 'application/json',
'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'
}})
var data = {};
var something = 'test_key';
data[something] = 'string';
this.$http.post('http://localhost:3000/store', data, ...