{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948865,-0.315683,0.000000,0.000000,0.176357,-0.530084,0.829403,0.000000,-0.261277,0.785335,0.561233,0.000000,-1668222.656598,5014266.762418,3559411.209607,1],    "boundingVolume": {    "region": [1.891904,0.595821,1.892041,0.595928,0.000000,8.499416]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1069241.b3dm"}}}