{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950245,-0.311504,0.000000,0.000000,0.173701,-0.529875,0.830097,0.000000,-0.258037,0.787142,0.560201,0.000000,-1647523.997835,5025781.274107,3552850.670084,1],    "boundingVolume": {    "region": [1.887490,0.594562,1.887654,0.594693,0.000000,8.815362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1458802.b3dm"}}}