{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950528,-0.310640,0.000000,0.000000,0.173862,-0.532001,0.828702,0.000000,-0.256884,0.786041,0.562272,0.000000,-1640180.837238,5018789.580227,3566018.345396,1],    "boundingVolume": {    "region": [1.886614,0.597082,1.886712,0.597181,0.000000,8.284463]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1325975.b3dm"}}}