{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950481,-0.310782,0.000000,0.000000,0.173814,-0.531584,0.828980,0.000000,-0.257089,0.786268,0.561861,0.000000,-1641484.496122,5020233.394603,3563402.847441,1],    "boundingVolume": {    "region": [1.886763,0.596584,1.886861,0.596683,0.000000,19.090562]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1393414.b3dm"}}}