{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949447,-0.313926,0.000000,0.000000,0.175418,-0.530540,0.829311,0.000000,-0.259794,0.785730,0.561370,0.000000,-1658754.684217,5016785.008641,3560281.655109,1],    "boundingVolume": {    "region": [1.890072,0.595999,1.890171,0.596081,0.000000,14.128736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1360074.b3dm"}}}