{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950383,-0.311081,0.000000,0.000000,0.174120,-0.531954,0.828678,0.000000,-0.257242,0.785898,0.562308,0.000000,-1642462.120511,5017880.756990,3566245.761170,1],    "boundingVolume": {    "region": [1.887078,0.597125,1.887176,0.597224,0.000000,8.815122]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1384408.b3dm"}}}