{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950764,-0.309917,0.000000,0.000000,0.173354,-0.531814,0.828929,0.000000,-0.256358,0.786453,0.561936,0.000000,-1636814.659385,5021415.517435,3563882.081781,1],    "boundingVolume": {    "region": [1.885820,0.596640,1.885985,0.596809,0.000000,8.777975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1387061.b3dm"}}}