{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950152,-0.311787,0.000000,0.000000,0.173844,-0.529779,0.830128,0.000000,-0.258281,0.787094,0.560155,0.000000,-1649083.145269,5025476.854993,3552559.880907,1],    "boundingVolume": {    "region": [1.887788,0.594507,1.887952,0.594638,0.000000,8.783335]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1458452.b3dm"}}}