{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951622,-0.307270,0.000000,0.000000,0.113058,-0.350144,0.929848,0.000000,-0.285453,0.884055,0.370085,0.000000,-1821494.371392,5641211.495353,2345727.827449,1],    "boundingVolume": {    "region": [1.883037,0.379040,1.883201,0.379161,0.000000,5.872646]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/26/16_44557.b3dm"}}}