{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857932,-0.513763,0.000000,0.000000,0.263102,-0.439354,0.858921,0.000000,-0.440501,0.735593,0.514647,0.000000,-2812071.356050,4695876.292791,3263411.932704,1],    "boundingVolume": {    "region": [2.110279,0.540534,2.110443,0.540659,0.000000,17.529366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_407765.b3dm"}}}