Retrieve the project schema

{  "enabledProviders": [    "appleAppStore"  ],  "locations": [    {      "description": "After the last onboarding screen.",      "name": "Onboarding upsell",      "slug": "onboarding-end"    },    {      "description": null,      "name": "Settings upgrade",      "slug": "settings-upgrade"    }  ],  "perks": [    {      "name": "Premium",      "slug": "premium"    }  ],  "products": [    {      "duration": "annual",      "name": "Pro annual",      "perks": [        "premium"      ],      "providers": [        {          "configuration": {            "productId": "com.example.pro_annual",            "offers": []          },          "providerId": "appleAppStore"        }      ],      "slug": "pro_annual",      "type": "subscription"    },    {      "duration": "monthly",      "name": "Pro monthly",      "perks": [        "premium"      ],      "providers": [        {          "configuration": {            "productId": "com.example.pro_monthly",            "offers": [              {                "id": "winback-50",                "offerId": "com.example.winback_50"              }            ]          },          "providerId": "appleAppStore"        }      ],      "slug": "pro_monthly",      "type": "subscription"    }  ],  "version": "sha256:3b7e1f9a0c4d8e2b6f5a1c9d7e3b0a4f8c2e6d1b5a9f3c7e0d4b8a2f6c1e5d9b"}

{  "error": {    "type": "invalid_request",    "code": "string",    "message": "string",    "param": "string"  }}

{  "error": {    "type": "unauthenticated",    "code": "invalid_api_key",    "message": "This secret key is not valid."  }}

{  "error": {    "type": "permission_denied",    "code": "permission_denied",    "message": "Insufficient permissions."  }}

{  "error": {    "type": "not_found",    "code": "project_not_found",    "message": "There is no project proj_tz4a98xxat96iws9zmbrgj3a, or this credential cannot use it.",    "param": "projectId"  }}

{  "error": {    "type": "internal",    "code": "internal_error",    "message": "Something went wrong on our side. Try again, and contact support with the Request-Id header if it keeps failing."  }}