{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948752,-0.316021,0.000000,0.000000,0.176438,-0.529699,0.829632,0.000000,-0.261630,0.785461,0.560893,0.000000,-1670474.074649,5015061.936618,3557248.937310,1],    "boundingVolume": {    "region": [1.892281,0.595352,1.892377,0.595575,0.000000,8.803720]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1181248.b3dm"}}}