{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950630,-0.310327,0.000000,0.000000,0.173703,-0.532107,0.828667,0.000000,-0.256614,0.786092,0.562324,0.000000,-1638456.673440,5019117.744795,3566346.852373,1],    "boundingVolume": {    "region": [1.886250,0.597109,1.886416,0.597278,0.000000,8.779138]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_1384595.b3dm"}}}