How upload file to room? Why i can't do it?

Development
1

Hello.
I’m sent this request to server “http://chat.trivers.ru/api/v1/rooms.upload/GENERAL”
headers:
{“key”:“Content-Type”,“value”:“application/x-www-form-urlencoded”,“description”:""}
{“key”:“X-Auth-Token”,“value”:“lb5fq3w1xxqPSfq62j0lfEWOoJ-2bqGk6RTIAtAti45F”,“description”:""}
{“key”:“X-User-Id”,“value”:“tNNtSr9cM7ZgajKJ6ds”,“description”:""}

body
{“file”: “http://chat.trivers.ru/file-upload/4RtqtDA2CMM5j7tvR/2b27ac38b43b17a8c5eacfc443ce3384_400x400[1].jpeg”}

response
{
“success”: false,
“error”: “File required”
}

Why it’s doesn’t work?

2

how did you install server?

3

I don’t know. I don’t install server. I tried to do it on trial rocket chat server, but response was this “File required”