{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950685,-0.310158,0.000000,0.000000,0.173359,-0.531374,0.829209,0.000000,-0.256644,0.786657,0.561520,0.000000,-1638643.793967,5022708.844387,3561235.877016,1],    "boundingVolume": {    "region": [1.886107,0.596172,1.886205,0.596271,0.000000,8.722342]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/2_1341904.b3dm"}}}