{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949880,-0.312616,0.000000,0.000000,0.174714,-0.530868,0.829249,0.000000,-0.258690,0.786028,0.561461,0.000000,-1651706.966417,5018695.051923,3560862.338429,1],    "boundingVolume": {    "region": [1.888656,0.596048,1.888827,0.596253,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1434890.b3dm"}}}