{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944353,-0.328933,0.000000,0.000000,0.183895,-0.527956,0.829123,0.000000,-0.272151,0.781335,0.561648,0.000000,-1737655.032250,4988734.633338,3562050.146592,1],    "boundingVolume": {    "region": [1.905913,0.596339,1.906027,0.596414,0.000000,8.812367]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_131710.b3dm"}}}