{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950652,-0.310260,0.000000,0.000000,0.173397,-0.531295,0.829252,0.000000,-0.256742,0.786670,0.561457,0.000000,-1639266.891528,5022792.235330,3560834.184665,1],    "boundingVolume": {    "region": [1.886214,0.596096,1.886312,0.596195,0.000000,8.809058]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/1_1342393.b3dm"}}}