Frog spawn from contents of predated frog?

Frog spawn from contents of predated frog?

Observation - Frog spawn from contents of predated frog? - UK and Ireland. Description: On forest road at about 100 metres elevation on hills. Appears that a frog( toad?) has met a violent

On forest road at about 100 metres elevation on hills. Appears that a frog( toad?) has met a violent death and this is what’s left.
Something similar on iSpot March 2019 and some consensus that frog spawn. Any further suggestions?