{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949435,-0.313963,0.000000,0.000000,0.175523,-0.530786,0.829131,0.000000,-0.259768,0.785548,0.561636,0.000000,-1658590.280792,5015628.414106,3561975.989857,1],    "boundingVolume": {    "region": [1.890112,0.596321,1.890210,0.596403,0.000000,13.684404]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1409206.b3dm"}}}