{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896515,-0.443012,0.000000,0.000000,0.283487,-0.573687,0.768452,0.000000,-0.339495,0.687030,0.642443,0.000000,-2168344.490420,4388035.288413,4075794.751480,1],    "boundingVolume": {    "region": [2.029668,0.697608,2.029837,0.697757,0.000000,33.588469]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_508723.b3dm"}}}