{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950652,-0.310260,0.000000,0.000000,0.173501,-0.531616,0.829025,0.000000,-0.256671,0.786453,0.561794,0.000000,-1638816.964444,5021409.303924,3562976.644567,1],    "boundingVolume": {    "region": [1.886214,0.596503,1.886312,0.596602,0.000000,10.633207]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/5_1390891.b3dm"}}}