Ok, found a workaround 
I’m using this request:
POST /annotator/text_annotations/PUT THE NUMBER OF YOUR ANNOTATION HERE HTTP/1.1
Host: edgeryders.eu
Cookie: _ga=GA1.2.238648066.1647008457; _t=24d0a58d632079197daf2ed0417b445a; _forum_session=S1dVZFk5cC9BeUdkdUpRYUF5RHNhRHRrSlpBUUVPa2VROU9YOUEzTlFWelJaYmduMnVpeVUweTlaeUZvWUFzTmdnU0loOWxlZE1Ua1U3bFJtendEZ29UYU5LNTdRakpoRmVvU2F2OWcxU1VESG1hcjQwajRjUElBeWVMbE0vdHFwMzBuVzZ3dzVEeHRVcUVvVXo1NmtmK3dvVmx3cDFRZ2lvU3UzUDRBbFk5K3czZ2RSMjZuUkN2WlpZNmM4dlZSLS1mOHpBM0dPSFIvQnZSMEUrR2lvWEZRPT0%3D–d262b89462614ebffe91c77a4a30c49f6347d3f5
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,/;q=0.8
Accept-Language: pl,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded
Content-Length: 130
Referer: https://edgeryders.eu/annotator/annotations
Origin: https://edgeryders.eu
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1
Te: trailers
Connection: close
_method=delete&authenticity_token=uobRrWP4Roa2qLviHEjn%2B%2BsOrZodfNMJnY9rAtoIM5RGOT0rOiu6cgzwYTdnCffKNpqn5fPRtc3LNpUPBEGGMQ%3D%3D