获取视频评论

{
"finder_basereq": {
    "userver_for_h5": 12,
    "request_id": "1702546317439651902",
    "scene": 140,
    "ctx_info": {
        "context_id": "32-20-140-Wb66acd49bba222d61702546316693",
        "client_report_buff": "{\"entranceId\":\"1001\"}"
    }
},
"object_id": "14280441889826019369",
"last_buffer": "CMKS+M+h3bWXxgEgwpL4z6HdtZfGAQ==",
"root_comment_id": "14280482396965505383",
"direction": 2,
"identity_scene": 2
}