{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852971,-0.521959,0.000000,0.000000,0.269325,-0.440123,0.856596,0.000000,-0.446305,0.729339,0.518533,0.000000,-2849160.101029,4656017.379844,3288093.067643,1],    "boundingVolume": {    "region": [2.119896,0.545092,2.119988,0.545176,0.000000,100.381366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_3493.b3dm"}}}