{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950867,-0.309599,0.000000,0.000000,0.172863,-0.530911,0.829609,0.000000,-0.256307,0.787190,0.560926,0.000000,-1636482.651340,5026104.861817,3557461.750989,1],    "boundingVolume": {    "region": [1.885495,0.595394,1.885641,0.595614,0.000000,8.812425]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1448843.b3dm"}}}