{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944034,-0.329847,0.000000,0.000000,0.184251,-0.527334,0.829440,0.000000,-0.273013,0.781373,0.561178,0.000000,-1743152.397512,4988963.057155,3559063.105568,1],    "boundingVolume": {    "region": [1.906890,0.595751,1.906986,0.595866,0.000000,8.790846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_1297853.b3dm"}}}