{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858259,-0.513217,0.000000,0.000000,0.262545,-0.439057,0.859243,0.000000,-0.440200,0.736152,0.514106,0.000000,-2810140.268429,4699436.152935,3259972.338367,1],    "boundingVolume": {    "region": [2.109643,0.539902,2.109807,0.540028,0.000000,78.074233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_334816.b3dm"}}}