{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949085,-0.315021,0.000000,0.000000,0.115994,-0.349461,0.929743,0.000000,-0.292621,0.881597,0.370351,0.000000,-1867231.608966,5625530.072965,2347413.919047,1],    "boundingVolume": {    "region": [1.891221,0.379329,1.891329,0.379444,0.000000,47.612015]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/16_6911.b3dm"}}}