{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944030,-0.329859,0.000000,0.000000,0.184247,-0.527299,0.829463,0.000000,-0.273031,0.781391,0.561143,0.000000,-1743265.070986,4989082.812206,3558841.534860,1],    "boundingVolume": {    "region": [1.906903,0.595709,1.906999,0.595824,0.000000,8.813518]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_1297748.b3dm"}}}