{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948913,-0.315536,0.000000,0.000000,0.176036,-0.529394,0.829912,0.000000,-0.261318,0.785862,0.560476,0.000000,-1668476.491439,5017614.266744,3554604.042995,1],    "boundingVolume": {    "region": [1.891771,0.594866,1.891866,0.595056,0.000000,20.078921]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/23/28_1178305.b3dm"}}}