{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950766,-0.309908,0.000000,0.000000,0.173406,-0.531993,0.828803,0.000000,-0.256311,0.786335,0.562123,0.000000,-1636516.688804,5020663.412952,3565070.329161,1],    "boundingVolume": {    "region": [1.885810,0.596866,1.885976,0.597035,0.000000,8.819100]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1388207.b3dm"}}}