{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949750,-0.313010,0.000000,0.000000,0.174845,-0.530525,0.829441,0.000000,-0.259077,0.786105,0.561176,0.000000,-1654173.093516,5019177.377535,3559049.499273,1],    "boundingVolume": {    "region": [1.889080,0.595722,1.889233,0.595890,0.000000,8.820307]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1353066.b3dm"}}}