{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944352,-0.328937,0.000000,0.000000,0.183917,-0.528010,0.829084,0.000000,-0.272141,0.781297,0.561707,0.000000,-1737590.977943,4988489.296838,3562422.455570,1],    "boundingVolume": {    "region": [1.905916,0.596410,1.906031,0.596485,0.000000,8.728822]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_192181.b3dm"}}}