{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943302,-0.331935,0.000000,0.000000,0.186069,-0.528776,0.828115,0.000000,-0.274298,0.779508,0.563141,0.000000,-1751370.682597,4977097.051869,3571535.961012,1],    "boundingVolume": {    "region": [1.909078,0.598133,1.909223,0.598230,0.000000,8.670215]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_1248831.b3dm"}}}