{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948822,-0.315812,0.000000,0.000000,0.176339,-0.529790,0.829595,0.000000,-0.261445,0.785483,0.560948,0.000000,-1669294.037198,5015203.846940,3557600.427406,1],    "boundingVolume": {    "region": [1.892061,0.595419,1.892157,0.595642,0.000000,8.711555]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1071113.b3dm"}}}