{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948716,-0.316131,0.000000,0.000000,0.176238,-0.528895,0.830187,0.000000,-0.261898,0.785961,0.560067,0.000000,-1672176.627870,5018239.647002,3551999.094744,1],    "boundingVolume": {    "region": [1.892397,0.594355,1.892493,0.594578,0.000000,8.779624]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1212892.b3dm"}}}