{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944395,-0.328812,0.000000,0.000000,0.183895,-0.528172,0.828986,0.000000,-0.272006,0.781239,0.561852,0.000000,-1736727.993370,4988125.103007,3563346.890481,1],    "boundingVolume": {    "region": [1.905785,0.596586,1.905899,0.596660,0.000000,8.309290]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_130314.b3dm"}}}