{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949887,-0.312594,0.000000,0.000000,0.174738,-0.530982,0.829171,0.000000,-0.258647,0.785959,0.561577,0.000000,-1651433.271485,5018257.238731,3561601.253208,1],    "boundingVolume": {    "region": [1.888633,0.596188,1.888804,0.596394,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1440996.b3dm"}}}