{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950653,-0.310256,0.000000,0.000000,0.173424,-0.531388,0.829187,0.000000,-0.256719,0.786609,0.561553,0.000000,-1639118.077045,5022402.997369,3561447.527667,1],    "boundingVolume": {    "region": [1.886210,0.596212,1.886308,0.596311,0.000000,8.772539]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/2_1427533.b3dm"}}}