{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949491,-0.313794,0.000000,0.000000,0.175433,-0.530833,0.829120,0.000000,-0.259624,0.785583,0.561653,0.000000,-1657671.289333,5015857.734872,3562080.170115,1],    "boundingVolume": {    "region": [1.889933,0.596341,1.890032,0.596423,0.000000,8.047026]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1409959.b3dm"}}}