{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948875,-0.315653,0.000000,0.000000,0.176385,-0.530226,0.829306,0.000000,-0.261222,0.785252,0.561376,0.000000,-1667867.478568,5013733.444775,3560322.659528,1],    "boundingVolume": {    "region": [1.891872,0.595995,1.892009,0.596101,0.000000,8.808038]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1148913.b3dm"}}}