{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950274,-0.311416,0.000000,0.000000,0.173725,-0.530116,0.829938,0.000000,-0.257914,0.787014,0.560437,0.000000,-1646741.671535,5024967.090878,3554354.539370,1],    "boundingVolume": {    "region": [1.887429,0.594855,1.887529,0.594972,0.000000,8.821118]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1452352.b3dm"}}}