{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950218,-0.311587,0.000000,0.000000,0.173888,-0.530290,0.829793,0.000000,-0.258010,0.786828,0.560654,0.000000,-1647355.141343,5023786.611360,3555729.436791,1],    "boundingVolume": {    "region": [1.887609,0.595116,1.887709,0.595233,0.000000,8.815537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_1453854.b3dm"}}}