{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897870,-0.440261,0.000000,0.000000,0.282687,-0.576513,0.766630,0.000000,-0.336580,0.686423,0.644622,0.000000,-2149744.784692,4384201.224262,4089656.287385,1],    "boundingVolume": {    "region": [2.026622,0.700494,2.026749,0.700563,0.000000,25.071962]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_852861.b3dm"}}}