{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950378,-0.311099,0.000000,0.000000,0.174004,-0.531565,0.828952,0.000000,-0.257342,0.786156,0.561902,0.000000,-1643100.827736,5019519.239568,3563662.211260,1],    "boundingVolume": {    "region": [1.887096,0.596634,1.887194,0.596732,0.000000,8.795234]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1328085.b3dm"}}}