{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949521,-0.313702,0.000000,0.000000,0.175440,-0.531026,0.828995,0.000000,-0.259509,0.785489,0.561839,0.000000,-1656938.111307,5015255.715691,3563260.804978,1],    "boundingVolume": {    "region": [1.889835,0.596596,1.889937,0.596617,0.000000,8.170567]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/9_1337352.b3dm"}}}