The ornamental design for a digitalsignage, as shown and described.
1. Digital signage
1.1 : Perspective
1.2 : Front
1.3 : Back
1.4 : Left
1.5 : Right
1.6 : Top
1.7 : Bottom
1.8 : Perspective shown in use
The broken lines shown in the drawings depict portions of the digital signage that form no part of the claimed design. The wires shown in view 1.8 form no part of the claimed design.