{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949173,-0.314754,0.000000,0.000000,0.175943,-0.530575,0.829177,0.000000,-0.260437,0.785375,0.561569,0.000000,-1662860.140727,5014522.661350,3561544.943631,1],    "boundingVolume": {    "region": [1.890925,0.596227,1.891063,0.596334,0.000000,17.365746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1447459.b3dm"}}}