{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894997,-0.446072,0.000000,0.000000,0.284414,-0.570647,0.770371,0.000000,-0.342700,0.687592,0.640136,0.000000,-2188789.699924,4391583.120155,4061117.653902,1],    "boundingVolume": {    "region": [2.033101,0.694613,2.033234,0.694738,0.000000,65.962072]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/13_979746.b3dm"}}}