{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949489,-0.313801,0.000000,0.000000,0.175406,-0.530738,0.829186,0.000000,-0.259651,0.785645,0.561555,0.000000,-1657843.253070,5016246.286303,3561457.133405,1],    "boundingVolume": {    "region": [1.889941,0.596223,1.890039,0.596304,0.000000,8.785490]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1444205.b3dm"}}}