{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896420,-0.443207,0.000000,0.000000,0.283578,-0.573558,0.768515,0.000000,-0.339672,0.687012,0.642369,0.000000,-2169470.843039,4387922.694807,4075319.761270,1],    "boundingVolume": {    "region": [2.029885,0.697510,2.030053,0.697659,0.000000,43.304220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_522729.b3dm"}}}