{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949106,-0.314956,0.000000,0.000000,0.116089,-0.349830,0.929593,0.000000,-0.292512,0.881473,0.370733,0.000000,-1866542.897775,5624741.035471,2349834.854954,1],    "boundingVolume": {    "region": [1.891153,0.379740,1.891261,0.379855,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76409.b3dm"}}}