metadata { type: array items { type: object properties { key { type: string description: The key uniquely identifying the metadata item inside the given entity } tyoe { type: string description: The type of the metadata item } value { type: string description: The value stored in the metadata item } } } } credentials { type: object properties { access_key { type: string description: Credentials access key } secret_key { type: string description: Credentials secret key } } }