{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950599,-0.310421,0.000000,0.000000,0.173584,-0.531563,0.829041,0.000000,-0.256809,0.786425,0.561769,0.000000,-1639699.108662,5021232.801173,3562820.581296,1],    "boundingVolume": {    "region": [1.886383,0.596473,1.886481,0.596572,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390237.b3dm"}}}