{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950160,-0.311764,0.000000,0.000000,0.174264,-0.531102,0.829194,0.000000,-0.257968,0.786207,0.561543,0.000000,-1647097.443009,5019839.461179,3561380.831884,1],    "boundingVolume": {    "region": [1.887776,0.596145,1.887914,0.596353,0.000000,8.780362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1432721.b3dm"}}}