{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.891158,-0.453693,0.000000,0.000000,0.292034,-0.573624,0.765292,0.000000,-0.346238,0.680093,0.646214,0.000000,-2211449.241956,4343803.708985,4099782.222691,1],    "boundingVolume": {    "region": [2.041653,0.702569,2.041749,0.702656,0.000000,8.538198]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_2045449.b3dm"}}}