{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895633,-0.444793,0.000000,0.000000,0.284296,-0.572458,0.769069,0.000000,-0.341136,0.686909,0.641703,0.000000,-2178814.463937,4387251.675847,4071083.799320,1],    "boundingVolume": {    "region": [2.031679,0.696657,2.031800,0.696775,0.000000,47.144606]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/3_686849.b3dm"}}}