{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858312,-0.513129,0.000000,0.000000,0.262573,-0.439207,0.859158,0.000000,-0.440080,0.736123,0.514249,0.000000,-2809378.658284,4699255.637591,3260882.722320,1],    "boundingVolume": {    "region": [2.109540,0.540069,2.109704,0.540195,0.000000,56.868028]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_128275.b3dm"}}}