{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944013,-0.329909,0.000000,0.000000,0.184148,-0.526928,0.829721,0.000000,-0.273157,0.781622,0.560761,0.000000,-1744070.239426,4990546.523356,3556410.334460,1],    "boundingVolume": {    "region": [1.906955,0.595247,1.907051,0.595362,0.000000,8.734066]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/3_1275996.b3dm"}}}