pydantic_core._pydantic_core.ValidationError: 2 validation errors for CreateActivity
@context.2.str
Input should be a valid string [type=string_type, input_value=HashtagContext(Hashtag='as:Hashtag'), input_type=HashtagContext]
For further information visit https://errors.pydantic.dev/2.11/v/string_type
@context.2.Context
Input should be a valid dictionary or instance of Context [type=model_type, input_value=HashtagContext(Hashtag='as:Hashtag'), input_type=HashtagContext]
For further information visit https://errors.pydantic.dev/2.11/v/model_type
```
pydantic_core._pydantic_core.ValidationError: 2 validation errors for CreateActivity
@context.2.str
Input should be a valid string [type=string_type, input_value=HashtagContext(Hashtag='as:Hashtag'), input_type=HashtagContext]
For further information visit https://errors.pydantic.dev/2.11/v/string_type
@context.2.Context
Input should be a valid dictionary or instance of Context [type=model_type, input_value=HashtagContext(Hashtag='as:Hashtag'), input_type=HashtagContext]
For further information visit https://errors.pydantic.dev/2.11/v/model_type
```