{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949294,-0.314389,0.000000,0.000000,0.175632,-0.530319,0.829406,0.000000,-0.260207,0.785695,0.561227,0.000000,-1661390.290196,5016559.109721,3559377.023891,1],    "boundingVolume": {    "region": [1.890540,0.595815,1.890677,0.595921,0.000000,8.729292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/8_1362071.b3dm"}}}