subscribe to (v.) 3
sign, endorse, put one's name to
E3 IV.iii.48 [Charles to Villiers] Give me the paper; I'll subscribe to it
LLL I.i.23 [King to all] If you are armed to do as sworn to do, / Subscribe to your deep oaths
Per II.v.70 [Pericles to Thaisa] my hand subscribe / To any syllable that made love to you