{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858266,-0.513205,0.000000,0.000000,0.262520,-0.439030,0.859265,0.000000,-0.440201,0.736177,0.514070,0.000000,-2810146.273204,4699593.914574,3259741.284883,1],    "boundingVolume": {    "region": [2.109629,0.539860,2.109793,0.539985,0.000000,78.074233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_327780.b3dm"}}}