{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943302,-0.331935,0.000000,0.000000,0.186086,-0.528826,0.828079,0.000000,-0.274286,0.779474,0.563194,0.000000,-1751293.516133,4976879.255240,3571875.001879,1],    "boundingVolume": {    "region": [1.909078,0.598197,1.909223,0.598295,0.000000,8.759725]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_568499.b3dm"}}}