{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896421,-0.443204,0.000000,0.000000,0.283590,-0.573586,0.768489,0.000000,-0.339659,0.686990,0.642399,0.000000,-2169387.400787,4387781.018391,4075515.398584,1],    "boundingVolume": {    "region": [2.029882,0.697550,2.030051,0.697700,0.000000,43.304220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_522811.b3dm"}}}