{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949575,-0.313541,0.000000,0.000000,0.175040,-0.530116,0.829662,0.000000,-0.259586,0.786170,0.560848,0.000000,-1657423.922226,5019590.249893,3556968.229865,1],    "boundingVolume": {    "region": [1.889636,0.595302,1.889796,0.595519,0.000000,13.659960]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14.b3dm"}}}