{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.891157,-0.453694,0.000000,0.000000,0.292038,-0.573629,0.765287,0.000000,-0.346237,0.680088,0.646220,0.000000,-2211442.819890,4343770.849185,4099820.245859,1],    "boundingVolume": {    "region": [2.041655,0.702577,2.041750,0.702664,0.000000,9.496409]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_2045475.b3dm"}}}