Redux State Shape

This is a sample state for what the Redux store should like (on the React front end):

{
  entities: {
    artworks: {
      27992: {
        id: 27992,
        title: "A Sunday on La Grande Jatte — 1884",
        artistTitle: "Georges Seurat",
        altText: "Large painting of people… brushstrokes are dots.",
        imageUrl: "https://www.artic.edu/iiif/2/1adf2696-8489-499b-cad2-821d7fde4b33/full/843,/0/default.jpg",
      },
      72180: {
        id: 72180,
        title: "Still Life with Flowers",
        artistTitle: "Henri Fantin-Latour",
        altText: "A work made of oil on canvas.",
        imageUrl: "https://www.artic.edu/iiif/2/94245750-c169-eb03-673e-cd03f718f885/full/843,/0/default.jpg",
      }
    },
    collections: {
      5: {
        id: 5,
        username: "aic_user1",
        description: "A collection of art",
        likes: 3,
        artworks: {
          27992: {
            id: 27992,
            altText: "Large painting of people… brushstrokes are dots.",
            imageUrl: "https://www.artic.edu/iiif/2/1adf2696-8489-499b-cad2-821d7fde4b33/full/843,/0/default.jpg",
          },
          72180: {
            id: 72180,
            altText: "A work made of oil on canvas.",
            imageUrl: "https://www.artic.edu/iiif/2/94245750-c169-eb03-673e-cd03f718f885/full/843,/0/default.jpg",
          }
        }
      },
      7: {
        id: 7,
        username: "aic_user2",
        description: "Another collection of art",
        likes: 5,
        artworks: {
          27992: {
            id: 27992,
            altText: "Large painting of people… brushstrokes are dots.",
            imageUrl: "https://www.artic.edu/iiif/2/1adf2696-8489-499b-cad2-821d7fde4b33/full/843,/0/default.jpg",
          },
          72180: {
            id: 72180,
            altText: "A work made of oil on canvas.",
            imageUrl: "https://www.artic.edu/iiif/2/94245750-c169-eb03-673e-cd03f718f885/full/843,/0/default.jpg",
          }
        }
      }
    },
    users: {
      10: {
        id: 10,
        username: "aic_user10",
        avatarUrl: "https://via.placeholder.com/150",
      },
      23: {
        id: 23,
        username: "aic_user23",
        avatarUrl: "https://via.placeholder.com/150",
      }
    },
    likes: {
      1: {
          id: 1,
          userId: 2,
          collectionId: 1,
      }
    },
    comments: {
      1: {
        id: 5,
        userId: 4,
        collectionId: 7,
        body: "This is a great collection!",
      }
    }
  },
  ui: {
    loading: true/false,
    modal: true/false,
    darkMode: true/false
  },
  errors: {
    login: ["Incorrect username/password combination"],
    profileForm: ["Bio cannot be longer than 1000 characters."],
    collectionForm: ["Collection description cannot be longer than 1000 characters."],
    commentForm: ["Comment cannot be blank."],
  },
  session: { currentUserId: 25 }
}