{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944572,-0.328303,0.000000,0.000000,0.183597,-0.528233,0.829013,0.000000,-0.271594,0.781412,0.561812,0.000000,-1734095.931000,4989223.964292,3563092.056577,1],    "boundingVolume": {    "region": [1.905246,0.596537,1.905360,0.596612,0.000000,8.811308]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/9_189969.b3dm"}}}