{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858389,-0.512999,0.000000,0.000000,0.262509,-0.439249,0.859156,0.000000,-0.439968,0.736188,0.514253,0.000000,-2808662.813597,4699668.875513,3260903.687681,1],    "boundingVolume": {    "region": [2.109389,0.540073,2.109553,0.540199,0.000000,53.638766]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/5_226685.b3dm"}}}