{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858236,-0.513255,0.000000,0.000000,0.262373,-0.438726,0.859465,0.000000,-0.440347,0.736324,0.513733,0.000000,-2811079.064022,4700529.008569,3257602.456343,1],    "boundingVolume": {    "region": [2.109687,0.539467,2.109852,0.539593,0.000000,5.361300]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/0_212035.b3dm"}}}