{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949442,-0.313943,0.000000,0.000000,0.175429,-0.530541,0.829308,0.000000,-0.259807,0.785722,0.561374,0.000000,-1658836.476998,5016737.097006,3560310.861365,1],    "boundingVolume": {    "region": [1.890090,0.596005,1.890189,0.596086,0.000000,13.039402]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1359955.b3dm"}}}