{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948716,-0.316131,0.000000,0.000000,0.176484,-0.529634,0.829663,0.000000,-0.261731,0.785461,0.560846,0.000000,-1671115.983397,5015061.389975,3556950.212151,1],    "boundingVolume": {    "region": [1.892396,0.595295,1.892492,0.595518,0.000000,8.794527]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1180633.b3dm"}}}