{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895645,-0.444769,0.000000,0.000000,0.284250,-0.572404,0.769126,0.000000,-0.341143,0.686970,0.641634,0.000000,-2178860.223478,4387636.886732,4070647.083256,1],    "boundingVolume": {    "region": [2.031652,0.696568,2.031774,0.696686,0.000000,62.689333]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/2_686908.b3dm"}}}