id: <number> - The ID of one of the received notes.

sender_username: <string> - The username of who sent the note.

text: <string> - The text of the received note.

encrypt_in_listings: <boolean> - Whether the received note is encrypted in listings.

tags: <string> - The space-separated list of tags.

insert_time: <number> - The Unix timestamp of when the note was received.