{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949736,-0.313052,0.000000,0.000000,0.174872,-0.530525,0.829435,0.000000,-0.259111,0.786088,0.561184,0.000000,-1654387.737189,5019068.504389,3559102.908019,1],    "boundingVolume": {    "region": [1.889125,0.595732,1.889278,0.595900,0.000000,8.820307]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1352939.b3dm"}}}