{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949517,-0.313715,0.000000,0.000000,0.175171,-0.530188,0.829587,0.000000,-0.259707,0.786052,0.560958,0.000000,-1658194.494523,5018836.712115,3557667.615675,1],    "boundingVolume": {    "region": [1.889818,0.595410,1.889980,0.595676,0.000000,8.792672]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/15_1367005.b3dm"}}}