{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950100,-0.311944,0.000000,0.000000,0.174351,-0.531027,0.829224,0.000000,-0.258127,0.786187,0.561499,0.000000,-1648109.456952,5019705.768109,3561102.945869,1],    "boundingVolume": {    "region": [1.887966,0.596092,1.888104,0.596301,0.000000,8.804839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1348803.b3dm"}}}