{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950026,-0.312172,0.000000,0.000000,0.174087,-0.529796,0.830066,0.000000,-0.258580,0.786931,0.560247,0.000000,-1650993.601295,5024434.416568,3553143.051194,1],    "boundingVolume": {    "region": [1.888193,0.594618,1.888356,0.594749,0.000000,18.972007]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1461224.b3dm"}}}