{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950780,-0.309868,0.000000,0.000000,0.172900,-0.530516,0.829854,0.000000,-0.256606,0.787352,0.560562,0.000000,-1638389.228139,5027132.032055,3555147.656055,1],    "boundingVolume": {    "region": [1.885793,0.595007,1.885908,0.595121,0.000000,8.691161]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1448316.b3dm"}}}