{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950341,-0.311212,0.000000,0.000000,0.173987,-0.531300,0.829126,0.000000,-0.257490,0.786292,0.561644,0.000000,-1644044.572746,5020378.717409,3562026.893896,1],    "boundingVolume": {    "region": [1.887189,0.596279,1.887340,0.596465,0.000000,8.765474]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1331446.b3dm"}}}