{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950274,-0.311415,0.000000,0.000000,0.173735,-0.530148,0.829915,0.000000,-0.257906,0.786992,0.560471,0.000000,-1646692.091708,5024828.727377,3554571.648249,1],    "boundingVolume": {    "region": [1.887429,0.594896,1.887528,0.595013,0.000000,8.821118]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1452644.b3dm"}}}