{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948777,-0.315947,0.000000,0.000000,0.176457,-0.529893,0.829504,0.000000,-0.261528,0.785359,0.561083,0.000000,-1669823.852842,5014416.402865,3558455.904141,1],    "boundingVolume": {    "region": [1.892182,0.595640,1.892320,0.595746,0.000000,8.617399]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/6_1146925.b3dm"}}}