{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950639,-0.310298,0.000000,0.000000,0.173310,-0.530957,0.829487,0.000000,-0.256847,0.786884,0.561108,0.000000,-1639934.106052,5024154.563909,3558619.281664,1],    "boundingVolume": {    "region": [1.886245,0.595667,1.886361,0.595781,0.000000,8.452153]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1343865.b3dm"}}}