{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949037,-0.315166,0.000000,0.000000,0.175814,-0.529415,0.829946,0.000000,-0.261022,0.785996,0.560426,0.000000,-1666585.987838,5018471.377339,3554283.077125,1],    "boundingVolume": {    "region": [1.891380,0.594805,1.891475,0.594995,0.000000,14.008666]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/28_1177293.b3dm"}}}