{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949072,-0.315061,0.000000,0.000000,0.115985,-0.349387,0.929772,0.000000,-0.292666,0.881613,0.370278,0.000000,-1867523.224275,5625628.101957,2346950.091157,1],    "boundingVolume": {    "region": [1.891263,0.379250,1.891371,0.379366,0.000000,29.996723]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/15_6771.b3dm"}}}