{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950743,-0.309981,0.000000,0.000000,0.173403,-0.531846,0.828897,0.000000,-0.256400,0.786406,0.561983,0.000000,-1637087.760816,5021115.703360,3564177.058880,1],    "boundingVolume": {    "region": [1.885887,0.596696,1.886052,0.596865,0.000000,8.234843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1323878.b3dm"}}}