{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949473,-0.313848,0.000000,0.000000,0.175432,-0.530728,0.829187,0.000000,-0.259691,0.785633,0.561553,0.000000,-1658093.923251,5016170.158053,3561447.726473,1],    "boundingVolume": {    "region": [1.889990,0.596221,1.890089,0.596303,0.000000,8.785490]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1444176.b3dm"}}}