{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949289,-0.314405,0.000000,0.000000,0.175639,-0.530309,0.829411,0.000000,-0.260222,0.785695,0.561220,0.000000,-1661485.907779,5016559.357667,3559332.343117,1],    "boundingVolume": {    "region": [1.890557,0.595806,1.890695,0.595913,0.000000,8.729292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/8_1362193.b3dm"}}}