{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949600,-0.313464,0.000000,0.000000,0.115535,-0.349999,0.929598,0.000000,-0.291128,0.881937,0.370719,0.000000,-1857709.857171,5627701.931288,2349745.906961,1],    "boundingVolume": {    "region": [1.889614,0.379755,1.889656,0.379810,0.000000,10.584447]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/0/20.b3dm"}}}