{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949953,-0.312393,0.000000,0.000000,0.115769,-0.352040,0.928798,0.000000,-0.289881,0.881496,0.372738,0.000000,-1849758.797084,5624919.033624,2362560.486665,1],    "boundingVolume": {    "region": [1.888444,0.381907,1.888570,0.382010,0.000000,4.626431]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/23/20_63781.b3dm"}}}