{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949310,-0.314341,0.000000,0.000000,0.175545,-0.530145,0.829536,0.000000,-0.260209,0.785832,0.561035,0.000000,-1661401.780564,5017430.717336,3558151.165816,1],    "boundingVolume": {    "region": [1.890490,0.595582,1.890628,0.595688,0.000000,8.789943]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/5_1366257.b3dm"}}}