Field definition from /rest/api/2/issue/{issue}/editmeta
"customfield_10859":{
"required":false,
"schema":{
"type":"string",
"custom":"com.atlassian.jira.plugin.system.customfieldtypes:textfield",
"customId":10859
},
"name":"TS Commit",
"key":"customfield_10859",
"operations":[
"set"
]
}
if i use request data like this, jira returns bad request error.
{
"fields": {
"customfield_10859": "test"
}
} with request data
{
"fields": {
"customfield_10859": {"value":"test"}
}
}field updates with value

how to put to field string value? what json should i send to api ?