{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950547,-0.310581,0.000000,0.000000,0.173477,-0.530932,0.829468,0.000000,-0.257075,0.786790,0.561136,0.000000,-1641393.426927,5023551.053189,3558797.274669,1],    "boundingVolume": {    "region": [1.886543,0.595701,1.886659,0.595815,0.000000,8.799150]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1424493.b3dm"}}}