{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944120,-0.329602,0.000000,0.000000,0.184139,-0.527452,0.829390,0.000000,-0.272794,0.781396,0.561252,0.000000,-1741753.033958,4989114.463254,3559532.773357,1],    "boundingVolume": {    "region": [1.906631,0.595840,1.906726,0.595955,0.000000,8.793250]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/9_1296985.b3dm"}}}