{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949161,-0.314792,0.000000,0.000000,0.116046,-0.349903,0.929571,0.000000,-0.292353,0.881502,0.370788,0.000000,-1865526.933367,5624929.676981,2350187.687093,1],    "boundingVolume": {    "region": [1.890980,0.379800,1.891088,0.379915,0.000000,70.700160]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/20_77225.b3dm"}}}