{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951999,-0.306101,0.000000,0.000000,0.114738,-0.356844,0.927091,0.000000,-0.283514,0.881753,0.377005,0.000000,-1809150.940423,5626615.847835,2389626.314790,1],    "boundingVolume": {    "region": [1.881804,0.386509,1.881977,0.386611,0.000000,8.818036]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/18_49022.b3dm"}}}