{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950656,-0.310246,0.000000,0.000000,0.173209,-0.530747,0.829642,0.000000,-0.256852,0.787048,0.560877,0.000000,-1639965.509218,5025192.498483,3557148.878459,1],    "boundingVolume": {    "region": [1.886190,0.595387,1.886305,0.595502,0.000000,8.189523]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1344817.b3dm"}}}