{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858821,-0.512275,0.000000,0.000000,0.262246,-0.439652,0.859031,0.000000,-0.439282,0.736450,0.514464,0.000000,-2804287.087376,4701345.268143,3262243.842008,1],    "boundingVolume": {    "region": [2.108546,0.540319,2.108710,0.540445,0.000000,14.688166]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/7_252182.b3dm"}}}