JsonReaction

This type can contain the following fields:

field	type	info
`emoji`	String	the emoji to react with
`remove`	boolean	set to true to remove the reaction. requires emoji be set to previously reacted emoji
`targetAuthor`	`v0.JsonAddress`	the author of the message being reacted to
`targetSentTimestamp`	long	the client timestamp of the message being reacted to

References