{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950751,-0.309957,0.000000,0.000000,0.173089,-0.530928,0.829552,0.000000,-0.256585,0.787039,0.561012,0.000000,-1638258.176931,5025137.800876,3558006.990019,1],    "boundingVolume": {    "region": [1.885886,0.595550,1.886002,0.595665,0.000000,7.852604]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/11_1340642.b3dm"}}}