{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950190,-0.311672,0.000000,0.000000,0.174230,-0.531172,0.829157,0.000000,-0.257880,0.786196,0.561598,0.000000,-1646535.233996,5019770.880391,3561735.062970,1],    "boundingVolume": {    "region": [1.887679,0.596212,1.887817,0.596421,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1433197.b3dm"}}}