{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949329,-0.314283,0.000000,0.000000,0.175505,-0.530133,0.829552,0.000000,-0.260166,0.785863,0.561011,0.000000,-1661127.869131,5017629.794627,3557999.343212,1],    "boundingVolume": {    "region": [1.890429,0.595553,1.890567,0.595659,0.000000,8.819391]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/5_1366626.b3dm"}}}