{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948863,-0.315687,0.000000,0.000000,0.176349,-0.530055,0.829423,0.000000,-0.261287,0.785354,0.561203,0.000000,-1668284.863484,5014383.785110,3559218.491676,1],    "boundingVolume": {    "region": [1.891908,0.595785,1.892045,0.595891,0.000000,8.587410]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1147357.b3dm"}}}