{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949255,-0.314507,0.000000,0.000000,0.116234,-0.350820,0.929201,0.000000,-0.291971,0.881236,0.371722,0.000000,-1863091.209287,5623242.449697,2356110.020233,1],    "boundingVolume": {    "region": [1.890664,0.380813,1.890803,0.380913,0.000000,18.657913]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/9_71943.b3dm"}}}