{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950180,-0.311701,0.000000,0.000000,0.174063,-0.530610,0.829551,0.000000,-0.258028,0.786566,0.561013,0.000000,-1647476.248989,5022119.866796,3558011.711507,1],    "boundingVolume": {    "region": [1.887729,0.595550,1.887829,0.595667,0.000000,8.818384]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1428099.b3dm"}}}