{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948948,-0.315434,0.000000,0.000000,0.115952,-0.348827,0.929986,0.000000,-0.293082,0.881703,0.369733,0.000000,-1870170.391122,5626198.206994,2343496.295643,1],    "boundingVolume": {    "region": [1.891658,0.378687,1.891763,0.378757,0.000000,34.139553]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/18_12520.b3dm"}}}