{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897669,-0.440670,0.000000,0.000000,0.285441,-0.581458,0.761860,0.000000,-0.334780,0.681966,0.650265,0.000000,-2138304.281007,4355840.263268,4125558.650737,1],    "boundingVolume": {    "region": [2.027066,0.707820,2.027217,0.708047,0.000000,14.978487]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_1796120.b3dm"}}}