{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949570,-0.313554,0.000000,0.000000,0.174584,-0.528713,0.830652,0.000000,-0.259910,0.787114,0.559373,0.000000,-1659480.141609,5025589.186544,3547589.516038,1],    "boundingVolume": {    "region": [1.889664,0.593501,1.889795,0.593756,0.000000,8.777423]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7.b3dm"}}}