{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895735,-0.444589,0.000000,0.000000,0.284146,-0.572483,0.769106,0.000000,-0.340995,0.687020,0.641659,0.000000,-2177917.762788,4387957.456530,4070804.824937,1],    "boundingVolume": {    "region": [2.031451,0.696600,2.031572,0.696718,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_949226.b3dm"}}}