{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949443,-0.313940,0.000000,0.000000,0.175505,-0.530775,0.829141,0.000000,-0.259752,0.785564,0.561621,0.000000,-1658488.036261,5015732.839596,3561877.218232,1],    "boundingVolume": {    "region": [1.890087,0.596303,1.890186,0.596384,0.000000,13.162316]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1408896.b3dm"}}}