{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897644,-0.440721,0.000000,0.000000,0.283045,-0.576495,0.766511,0.000000,-0.336879,0.686143,0.644763,0.000000,-2151659.267217,4382417.219891,4090555.427036,1],    "boundingVolume": {    "region": [2.027135,0.700679,2.027262,0.700748,0.000000,8.908386]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_859158.b3dm"}}}