{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949147,-0.314833,0.000000,0.000000,0.116075,-0.349938,0.929554,0.000000,-0.292386,0.881473,0.370831,0.000000,-1865735.279972,5624746.569537,2350458.696222,1],    "boundingVolume": {    "region": [1.891023,0.379846,1.891131,0.379961,0.000000,71.051956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/21_426.b3dm"}}}