{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858266,-0.513205,0.000000,0.000000,0.262538,-0.439058,0.859245,0.000000,-0.440191,0.736159,0.514103,0.000000,-2810085.140064,4699482.704701,3259952.883000,1],    "boundingVolume": {    "region": [2.109630,0.539899,2.109794,0.540024,0.000000,78.074233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_334275.b3dm"}}}