{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892472,-0.451104,0.000000,0.000000,0.291010,-0.575739,0.764093,0.000000,-0.343719,0.680020,0.647634,0.000000,-2195371.334745,4343362.499787,4108819.734620,1],    "boundingVolume": {    "region": [2.038746,0.704441,2.038850,0.704510,0.000000,45.457937]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1978658.b3dm"}}}