{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950307,-0.311315,0.000000,0.000000,0.173673,-0.530149,0.829927,0.000000,-0.257826,0.787031,0.560453,0.000000,-1646184.016861,5025078.639610,3554454.479798,1],    "boundingVolume": {    "region": [1.887323,0.594874,1.887422,0.594991,0.000000,8.725957]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1346472.b3dm"}}}