{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949485,-0.313814,0.000000,0.000000,0.175411,-0.530728,0.829192,0.000000,-0.259664,0.785646,0.561546,0.000000,-1657921.250095,5016258.063079,3561404.591592,1],    "boundingVolume": {    "region": [1.889954,0.596213,1.890053,0.596294,0.000000,8.785490]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1444045.b3dm"}}}