{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897906,-0.440187,0.000000,0.000000,0.282573,-0.576401,0.766756,0.000000,-0.336579,0.686564,0.644472,0.000000,-2149737.519479,4385102.113050,4088700.563279,1],    "boundingVolume": {    "region": [2.026539,0.700298,2.026666,0.700367,0.000000,11.812092]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_851979.b3dm"}}}