{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950402,-0.311024,0.000000,0.000000,0.173965,-0.531587,0.828946,0.000000,-0.257278,0.786171,0.561911,0.000000,-1642693.273393,5019610.980547,3563720.485223,1],    "boundingVolume": {    "region": [1.887018,0.596645,1.887115,0.596743,0.000000,8.820542]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_1394659.b3dm"}}}