{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950344,-0.311203,0.000000,0.000000,0.173870,-0.530960,0.829367,0.000000,-0.257558,0.786526,0.561285,0.000000,-1644477.851660,5021865.973850,3559745.057442,1],    "boundingVolume": {    "region": [1.887205,0.595880,1.887305,0.595996,0.000000,8.808885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1429949.b3dm"}}}