{"command":{"effect":"read","timeoutSeconds":30,"inputSchema":{"type":"object","properties":{"emailId":{"type":"string","minLength":1,"maxLength":255,"pattern":"^[A-Za-z0-9_-]+$"},"partId":{"type":"string","minLength":1,"maxLength":255,"pattern":"^[A-Za-z0-9._-]+$"},"offset":{"type":"integer","minimum":0,"maximum":9007199254740991},"expectedBlobId":{"type":"string","minLength":1,"maxLength":255,"pattern":"^[A-Za-z0-9_-]+$"}},"required":["emailId"],"additionalProperties":false},"name":"Read an original email or attachment chunk","id":"fastmail.mail.download","example":{"emailId":"message-id","offset":0},"maxRequests":3,"summary":false}}