{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949734,-0.313059,0.000000,0.000000,0.115358,-0.349964,0.929633,0.000000,-0.290763,0.882094,0.370630,0.000000,-1855380.399785,5628706.932580,2349182.929436,1],    "boundingVolume": {    "region": [1.889139,0.379596,1.889278,0.379778,0.000000,24.418460]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_73294.b3dm"}}}