{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950024,-0.312176,0.000000,0.000000,0.174458,-0.530918,0.829271,0.000000,-0.258333,0.786169,0.561429,0.000000,-1649426.110323,5019591.722632,3560657.076531,1],    "boundingVolume": {    "region": [1.888193,0.596009,1.888364,0.596214,0.000000,16.012885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1434450.b3dm"}}}