{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949403,-0.314061,0.000000,0.000000,0.175104,-0.529337,0.830145,0.000000,-0.260170,0.786491,0.560128,0.000000,-1661143.240227,5021623.397614,3552391.336277,1],    "boundingVolume": {    "region": [1.890182,0.594408,1.890344,0.594673,0.000000,8.817751]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1381480.b3dm"}}}