{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899241,-0.437453,0.000000,0.000000,0.282433,-0.580578,0.763650,0.000000,-0.333123,0.684778,0.648158,0.000000,-2127701.013563,4373760.638842,4112149.619319,1],    "boundingVolume": {    "region": [2.023478,0.705103,2.023644,0.705222,0.000000,7.819835]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/4_1842832.b3dm"}}}