{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943101,-0.332507,0.000000,0.000000,0.186270,-0.528324,0.828358,0.000000,-0.274852,0.779572,0.562782,0.000000,-1754906.618772,4977498.023800,3569256.134307,1],    "boundingVolume": {    "region": [1.909695,0.597708,1.909820,0.597787,0.000000,8.068930]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1254968.b3dm"}}}