{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858273,-0.513194,0.000000,0.000000,0.262516,-0.439036,0.859263,0.000000,-0.440190,0.736180,0.514073,0.000000,-2810080.644447,4699618.207825,3259762.693023,1],    "boundingVolume": {    "region": [2.109616,0.539864,2.109781,0.539989,0.000000,78.074233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_328331.b3dm"}}}