{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949871,-0.312641,0.000000,0.000000,0.174759,-0.530956,0.829183,0.000000,-0.258691,0.785958,0.561559,0.000000,-1651709.465798,5018249.330023,3561485.101666,1],    "boundingVolume": {    "region": [1.888683,0.596166,1.888854,0.596371,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1439718.b3dm"}}}