{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944016,-0.329899,0.000000,0.000000,0.184138,-0.526915,0.829731,0.000000,-0.273153,0.781635,0.560745,0.000000,-1744040.969589,4990627.918575,3556311.136388,1],    "boundingVolume": {    "region": [1.906945,0.595228,1.907041,0.595343,0.000000,8.734066]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/3_1276068.b3dm"}}}