{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944353,-0.328933,0.000000,0.000000,0.183917,-0.528018,0.829079,0.000000,-0.272137,0.781293,0.561714,0.000000,-1737561.474065,4988465.945592,3562469.229449,1],    "boundingVolume": {    "region": [1.905913,0.596419,1.906027,0.596493,0.000000,8.814408]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_192218.b3dm"}}}