{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949695,-0.313175,0.000000,0.000000,0.174677,-0.529703,0.830002,0.000000,-0.259391,0.786595,0.560343,0.000000,-1656172.691651,5022294.872700,3553753.453862,1],    "boundingVolume": {    "region": [1.889250,0.594667,1.889412,0.594932,0.000000,8.815682]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1376604.b3dm"}}}