{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950381,-0.311089,0.000000,0.000000,0.173591,-0.530322,0.829834,0.000000,-0.257610,0.787003,0.560592,0.000000,-1644804.799496,5024901.318778,3555337.592003,1],    "boundingVolume": {    "region": [1.887085,0.595042,1.887185,0.595159,0.000000,8.720099]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1346075.b3dm"}}}