{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.891154,-0.453700,0.000000,0.000000,0.292038,-0.573618,0.765295,0.000000,-0.346246,0.680093,0.646210,0.000000,-2211495.000360,4343803.340210,4099758.093327,1],    "boundingVolume": {    "region": [2.041662,0.702564,2.041757,0.702651,0.000000,8.538198]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_2045431.b3dm"}}}