{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898751,-0.438459,0.000000,0.000000,0.283256,-0.580617,0.763315,0.000000,-0.333742,0.684103,0.648552,0.000000,-2131653.328432,4369455.768105,4114661.508317,1],    "boundingVolume": {    "region": [2.024597,0.705622,2.024762,0.705741,0.000000,17.268650]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1833071.b3dm"}}}