{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942948,-0.332941,0.000000,0.000000,0.186691,-0.528742,0.827997,0.000000,-0.275090,0.779103,0.563316,0.000000,-1756426.111521,4974509.925770,3572650.014467,1],    "boundingVolume": {    "region": [1.910145,0.598345,1.910289,0.598442,0.000000,6.865450]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/6_545549.b3dm"}}}