{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949274,-0.314451,0.000000,0.000000,0.175701,-0.530411,0.829333,0.000000,-0.260235,0.785607,0.561336,0.000000,-1661570.840772,5016005.352992,3560068.434850,1],    "boundingVolume": {    "region": [1.890605,0.595946,1.890743,0.596053,0.000000,8.723768]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1360731.b3dm"}}}