{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949525,-0.313690,0.000000,0.000000,0.175118,-0.530074,0.829672,0.000000,-0.259713,0.786139,0.560833,0.000000,-1658233.366509,5019391.620740,3556871.912330,1],    "boundingVolume": {    "region": [1.889792,0.595259,1.889954,0.595525,0.000000,8.806784]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1368058.b3dm"}}}