DCL Start errors out for smart wearable (Beta) basic configuration

[samrun0]

What?

DCL Start errors out for smart wearable (Beta) basic configuration

The error:

Unable to load wearable.json properly, please check it. Error: strict mode: unknown keyword: "_isThirdParty" at Object.checkStrictMode (/usr/local/lib/node_modules/decentraland/node_modules/ajv/dist/compile/validate/index.js:183:15) at checkUnknownRules (/usr/local/lib/node_modules/decentraland/node_modules/ajv/dist/compile/util.js:32:24) at Object.alwaysValidSchema (/usr/local/lib/node_modules/decentraland/node_modules/ajv/dist/compile/util.js:19:5) at /usr/local/lib/node_modules/decentraland/node_modules/ajv/dist/vocabularies/applicator/oneOf.js:30:28 at Array.forEach (<anonymous>) at validateOneOf (/usr/local/lib/node_modules/decentraland/node_modules/ajv/dist/vocabularies/applicator/oneOf.js:28:20) at CodeGen.code (/usr/local/lib/node_modules/decentraland/node_modules/ajv/dist/compile/codegen/index.js:438:13) at CodeGen.block (/usr/local/lib/node_modules/decentraland/node_modules/ajv/dist/compile/codegen/index.js:567:18) at Object.code (/usr/local/lib/node_modules/decentraland/node_modules/ajv/dist/vocabularies/applicator/oneOf.js:25:13) at Object.keywordCode (/usr/local/lib/node_modules/decentraland/node_modules/ajv/dist/compile/validate/keyword.js:12:13)

To reproduce the issue:

Follow the official doc for smart wearables.

[samrun0]

Got rid of the error by Downgrading:

decentraland to 3.10.0
decentraland-ecs to 6.10.0

But the issue still persists in the latest versions.