{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949492,-0.313790,0.000000,0.000000,0.114620,-0.346826,0.930899,0.000000,-0.291844,0.883085,0.367406,0.000000,-1862261.982047,5634986.712992,2328731.077759,1],    "boundingVolume": {    "region": [1.889894,0.376094,1.890063,0.376343,0.000000,11.524416]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_28903.b3dm"}}}