added_tokens.json

{
  "</s_bbox>": 50349,
  "</s_image_dimension>": 50345,
  "</s_is_self>": 50351,
  "</s_items>": 50347,
  "</s_sample_id>": 50359,
  "</s_sender>": 50353,
  "</s_text>": 50355,
  "</s_timestamp>": 50357,
  "<s_bbox>": 50348,
  "<s_image_dimension>": 50344,
  "<s_is_self>": 50350,
  "<s_items>": 50346,
  "<s_sample_id>": 50358,
  "<s_sender>": 50352,
  "<s_text>": 50354,
  "<s_timestamp>": 50356
}