{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950737,-0.309998,0.000000,0.000000,0.173406,-0.531822,0.828913,0.000000,-0.256419,0.786416,0.561960,0.000000,-1637208.159855,5021178.810886,3564033.813280,1],    "boundingVolume": {    "region": [1.885904,0.596669,1.886070,0.596838,0.000000,8.777975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1387331.b3dm"}}}