{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950585,-0.310465,0.000000,0.000000,0.173770,-0.532050,0.828690,0.000000,-0.256736,0.786077,0.562290,0.000000,-1639230.693094,5019018.112004,3566132.820417,1],    "boundingVolume": {    "region": [1.886429,0.597104,1.886527,0.597202,0.000000,8.691090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1384223.b3dm"}}}