{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951881,-0.306467,0.000000,0.000000,0.112570,-0.349641,0.930096,0.000000,-0.284784,0.884535,0.369455,0.000000,-1817220.360114,5644262.077888,2341728.002677,1],    "boundingVolume": {    "region": [1.882193,0.378362,1.882357,0.378482,0.000000,18.925693]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/11_45720.b3dm"}}}