{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895818,-0.444421,0.000000,0.000000,0.284001,-0.572459,0.769177,0.000000,-0.340899,0.687148,0.641573,0.000000,-2177301.166401,4388774.272726,4070257.777224,1],    "boundingVolume": {    "region": [2.031270,0.696493,2.031379,0.696601,0.000000,33.963026]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_641246.b3dm"}}}