{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942810,-0.333331,0.000000,0.000000,0.186787,-0.528318,0.828245,0.000000,-0.275495,0.779225,0.562948,0.000000,-1759014.236925,4975285.237215,3570312.043115,1],    "boundingVolume": {    "region": [1.910568,0.597917,1.910693,0.597980,0.000000,8.771061]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/20_1285212.b3dm"}}}