{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943216,-0.332181,0.000000,0.000000,0.186279,-0.528933,0.827967,0.000000,-0.274452,0.779296,0.563359,0.000000,-1752353.737993,4975747.924337,3572923.955357,1],    "boundingVolume": {    "region": [1.909339,0.598397,1.909483,0.598494,0.000000,8.720481]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_568679.b3dm"}}}