{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948612,-0.316441,0.000000,0.000000,0.176672,-0.529619,0.829633,0.000000,-0.261978,0.785346,0.560891,0.000000,-1672696.644058,5014328.920902,3557237.945540,1],    "boundingVolume": {    "region": [1.892724,0.595350,1.892820,0.595573,0.000000,6.465990]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1071830.b3dm"}}}