{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950865,-0.309607,0.000000,0.000000,0.172986,-0.531274,0.829352,0.000000,-0.256232,0.786942,0.561309,0.000000,-1636011.523777,5024524.046430,3559894.293103,1],    "boundingVolume": {    "region": [1.885503,0.595857,1.885648,0.596076,0.000000,8.797125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1339807.b3dm"}}}