I can't help you at all regarding midi details, but generally, you would have to enter each dynamic.
You probably can get around that with the volume multipoint controller. Copy this into a new song file and play it back.
!NoteWorthyComposerClip(2.0,Single)
|Dynamic|Style:p|Pos:-8
|Instrument|Name:"Hammond Organ"|Patch:16|Trans:0|DynVel:10,30,45,60,75,92,108,127|Pos:15
|MPC|Controller:vol|Style:Absolute|TimeRes:Quarter|SweepRes:20|Pt1:0,127|Pt2:1,64|Pt3:1,97|Pt4:1,64|Pos:8
|Note|Dur:4th|Pos:0
|Note|Dur:8th|Pos:0|Opts:Stem=Down,Beam=First
|Note|Dur:8th|Pos:0|Opts:Stem=Down,Beam=End
|Note|Dur:4th|Pos:0
|Note|Dur:8th,Triplet=First|Pos:0|Opts:Stem=Up,Beam=First
|Note|Dur:8th,Triplet|Pos:#-1|Opts:Stem=Up,Beam
|Note|Dur:8th,Triplet=End|Pos:#-2|Opts:Stem=Up,Beam=End
|Bar
|MPC|Controller:vol|Style:Absolute|TimeRes:Quarter|SweepRes:20|Pt1:0,127|Pt2:1,64|Pt3:1,97|Pt4:1,64|Pos:8
|Note|Dur:4th|Pos:0
|Note|Dur:8th|Pos:0|Opts:Stem=Down,Beam=First
|Note|Dur:8th|Pos:0|Opts:Stem=Down,Beam=End
|Note|Dur:4th|Pos:0
|Note|Dur:4th|Pos:0
|Bar
|MPC|Controller:vol|Style:Absolute|TimeRes:Quarter|SweepRes:20|Pt1:0,127|Pt2:1,64|Pt3:1,97|Pt4:1,64|Pos:8
|Note|Dur:4th|Pos:0
|Note|Dur:8th|Pos:0|Opts:Stem=Down,Beam=First
|Note|Dur:8th|Pos:0|Opts:Stem=Down,Beam=End
|Note|Dur:8th,Triplet=First|Pos:0|Opts:Stem=Up,Beam=First
|Note|Dur:8th,Triplet|Pos:#-1|Opts:Stem=Up,Beam
|Note|Dur:8th,Triplet=End|Pos:#-2|Opts:Stem=Up,Beam=End
|Note|Dur:4th|Pos:0
|Bar
|MPC|Controller:vol|Style:Absolute|TimeRes:Quarter|SweepRes:20|Pt1:0,127|Pt2:1,64|Pos:8
|Note|Dur:8th,Triplet=First|Pos:#1|Opts:Stem=Down,Beam=First
|Note|Dur:8th,Triplet|Pos:0|Opts:Stem=Down,Beam
|Note|Dur:8th,Triplet=End|Pos:#-1|Opts:Stem=Down,Beam=End
|Note|Dur:8th|Pos:#-2|Opts:Stem=Up,Beam=First
|Note|Dur:8th|Pos:#-3|Opts:Stem=Up,Beam=End
|MPC|Controller:vol|Style:Linear Sweep|TimeRes:Thirtysecond|SweepRes:18|Pt1:1,106|Pt2:1,48|Pt3:2,62|Pt4:3,96|Pos:8
|Note|Dur:Half|Pos:0
!NoteWorthyComposerClip-End
Multipoint controllers are found at the bottom of the Insert menu.