{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893932,-0.448203,0.000000,0.000000,0.288857,-0.576120,0.764622,0.000000,-0.341747,0.681608,0.647007,0.000000,-2182772.757776,4353496.484224,4104831.898328,1],    "boundingVolume": {    "region": [2.035468,0.703572,2.035633,0.703734,0.000000,46.655184]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_1996896.b3dm"}}}