{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.900417,-0.435027,0.000000,0.000000,0.281572,-0.582797,0.762276,0.000000,-0.330676,0.684430,0.649776,0.000000,-2112080.984805,4371572.716613,4122446.201939,1],    "boundingVolume": {    "region": [2.020778,0.707235,2.020952,0.707344,0.000000,14.931566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/16_1800501.b3dm"}}}