1)
What hinted to making it a lowly kingship?
1.
Malbim: "Va'Yhi l'Gefen Sorachas" (6).
2)
What hinted to not being exalted?
1.
Malbim: "Shiflas Komah" (6).
3)
What is "Le'amdah"?
1.
Rashi: So it will last.
2.
Radak: To fulfill the Bris. Malbim - "Lifnos Daliyosav Elav" (6) hints to this.