{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950204,-0.311630,0.000000,0.000000,0.174321,-0.531529,0.828908,0.000000,-0.257768,0.785970,0.561967,0.000000,-1645817.246445,5018334.347439,3564074.667815,1],    "boundingVolume": {    "region": [1.887628,0.596669,1.887780,0.596854,0.000000,8.630878]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1400139.b3dm"}}}