{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897935,-0.440128,0.000000,0.000000,0.282499,-0.576345,0.766825,0.000000,-0.336565,0.686649,0.644390,0.000000,-2149646.305702,4385638.416464,4088176.799588,1],    "boundingVolume": {    "region": [2.026474,0.700190,2.026601,0.700259,0.000000,19.737503]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883839.b3dm"}}}