ACCEPTED
ACCEPTED: "accepted"
CLICKED
CLICKED: "clicked"
COMPLAINED
COMPLAINED: "complained"
DELIVERED
DELIVERED: "delivered"
LIST_MEMBER_UPLOADED
LIST_MEMBER_UPLOADED: "list_member_uploaded"
LIST_MEMBER_UPLOADED_ERROR
LIST_MEMBER_UPLOADED_ERROR: "list_member_uploaded_error"
LIST_UPLOADED
LIST_UPLOADED: "list_uploaded"
REJECTED
REJECTED: "rejected"
UNSUBSCRIBED
UNSUBSCRIBED: "unsubscribed"