{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950315,-0.311290,0.000000,0.000000,0.174024,-0.531266,0.829139,0.000000,-0.257559,0.786284,0.561624,0.000000,-1644483.179347,5020328.108853,3561896.632776,1],    "boundingVolume": {    "region": [1.887270,0.596255,1.887422,0.596440,0.000000,8.806967]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1397279.b3dm"}}}