{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944124,-0.329590,0.000000,0.000000,0.184149,-0.527503,0.829355,0.000000,-0.272772,0.781366,0.561304,0.000000,-1741613.883315,4988926.346679,3559862.286912,1],    "boundingVolume": {    "region": [1.906618,0.595903,1.906713,0.596018,0.000000,8.668299]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/9_1266941.b3dm"}}}