{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950362,-0.311145,0.000000,0.000000,0.173627,-0.530326,0.829824,0.000000,-0.257654,0.786978,0.560607,0.000000,-1645083.076255,5024741.681845,3555433.809946,1],    "boundingVolume": {    "region": [1.887145,0.595060,1.887244,0.595177,0.000000,8.681018]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_1346026.b3dm"}}}