{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950205,-0.311625,0.000000,0.000000,0.174172,-0.531085,0.829224,0.000000,-0.257863,0.786274,0.561498,0.000000,-1646424.445904,5020262.553926,3561097.536545,1],    "boundingVolume": {    "region": [1.887630,0.596091,1.887768,0.596300,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1432174.b3dm"}}}