{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897669,-0.440670,0.000000,0.000000,0.285485,-0.581549,0.761773,0.000000,-0.334742,0.681888,0.650367,0.000000,-2138059.512646,4355344.131750,4126204.897099,1],    "boundingVolume": {    "region": [2.027066,0.707953,2.027217,0.708181,0.000000,18.456261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796891.b3dm"}}}