{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943318,-0.331891,0.000000,0.000000,0.186186,-0.529187,0.827826,0.000000,-0.274165,0.779247,0.563568,0.000000,-1750522.933424,4975433.238752,3574250.448924,1],    "boundingVolume": {    "region": [1.909031,0.598650,1.909176,0.598747,0.000000,8.201374]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_544959.b3dm"}}}