{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897655,-0.440698,0.000000,0.000000,0.285490,-0.581512,0.761800,0.000000,-0.334775,0.681901,0.650336,0.000000,-2138271.713153,4355428.682295,4126007.018628,1],    "boundingVolume": {    "region": [2.027097,0.707912,2.027249,0.708140,0.000000,10.292530]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796632.b3dm"}}}