{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898458,-0.439060,0.000000,0.000000,0.283851,-0.580851,0.762916,0.000000,-0.334023,0.683519,0.649023,0.000000,-2133457.345628,4365735.792323,4117653.903985,1],    "boundingVolume": {    "region": [2.025298,0.706262,2.025399,0.706337,0.000000,14.362464]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_1817916.b3dm"}}}