{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899156,-0.437627,0.000000,0.000000,0.282678,-0.580796,0.763393,0.000000,-0.333143,0.684481,0.648460,0.000000,-2127828.815680,4371873.854650,4114076.436687,1],    "boundingVolume": {    "region": [2.023672,0.705501,2.023837,0.705620,0.000000,9.670315]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/8_1827962.b3dm"}}}