{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895736,-0.444587,0.000000,0.000000,0.284146,-0.572486,0.769104,0.000000,-0.340993,0.687019,0.641661,0.000000,-2177904.321802,4387953.332001,4070816.383913,1],    "boundingVolume": {    "region": [2.031449,0.696603,2.031570,0.696720,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_663298.b3dm"}}}