{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950558,-0.310548,0.000000,0.000000,0.173700,-0.531681,0.828941,0.000000,-0.256883,0.786295,0.561918,0.000000,-1640169.080167,5020405.144983,3563764.127379,1],    "boundingVolume": {    "region": [1.886517,0.596653,1.886614,0.596752,0.000000,10.330628]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_1327981.b3dm"}}}