{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950052,-0.312091,0.000000,0.000000,0.174026,-0.529762,0.830101,0.000000,-0.258524,0.786986,0.560195,0.000000,-1650635.512106,5024786.955969,3552813.093215,1],    "boundingVolume": {    "region": [1.888107,0.594555,1.888271,0.594686,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458733.b3dm"}}}