{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949601,-0.313460,0.000000,0.000000,0.175054,-0.530312,0.829533,0.000000,-0.259479,0.786070,0.561039,0.000000,-1656740.310066,5018950.269466,3558181.401509,1],    "boundingVolume": {    "region": [1.889582,0.595600,1.889681,0.595682,0.000000,8.526170]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/4_1366204.b3dm"}}}