{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950854,-0.309638,0.000000,0.000000,0.173006,-0.531278,0.829345,0.000000,-0.256256,0.786927,0.561319,0.000000,-1636164.272391,5024428.208855,3559958.921647,1],    "boundingVolume": {    "region": [1.885536,0.595869,1.885682,0.596089,0.000000,8.797125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1339730.b3dm"}}}