{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949055,-0.315111,0.000000,0.000000,0.176143,-0.530509,0.829177,0.000000,-0.260733,0.785277,0.561568,0.000000,-1664746.441581,5013897.898204,3561543.342821,1],    "boundingVolume": {    "region": [1.891301,0.596227,1.891439,0.596333,0.000000,8.634933]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1372871.b3dm"}}}