{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950048,-0.312103,0.000000,0.000000,0.174053,-0.529820,0.830058,0.000000,-0.258521,0.786942,0.560258,0.000000,-1650615.929215,5024504.864090,3553218.391377,1],    "boundingVolume": {    "region": [1.888121,0.594632,1.888284,0.594763,0.000000,12.431430]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1459484.b3dm"}}}