{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950590,-0.310448,0.000000,0.000000,0.173582,-0.531508,0.829077,0.000000,-0.256843,0.786451,0.561717,0.000000,-1639911.557654,5021400.777382,3562488.284644,1],    "boundingVolume": {    "region": [1.886412,0.596410,1.886510,0.596509,0.000000,11.800449]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/4_1389313.b3dm"}}}