{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950099,-0.311948,0.000000,0.000000,0.173907,-0.529670,0.830184,0.000000,-0.258431,0.787105,0.560071,0.000000,-1650043.534476,5025541.785831,3552025.650300,1],    "boundingVolume": {    "region": [1.887957,0.594406,1.888120,0.594537,0.000000,8.638149]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_1458123.b3dm"}}}