{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950353,-0.311173,0.000000,0.000000,0.173555,-0.530056,0.830012,0.000000,-0.257736,0.787150,0.560327,0.000000,-1645602.825169,5025837.386233,3553656.138980,1],    "boundingVolume": {    "region": [1.887173,0.594723,1.887273,0.594839,0.000000,8.622843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/4_1375451.b3dm"}}}