{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950086,-0.311989,0.000000,0.000000,0.174407,-0.531114,0.829156,0.000000,-0.258142,0.786110,0.561599,0.000000,-1648209.034330,5019221.065236,3561735.738681,1],    "boundingVolume": {    "region": [1.888013,0.596212,1.888151,0.596421,0.000000,8.817862]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1433200.b3dm"}}}