{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943985,-0.329988,0.000000,0.000000,0.184449,-0.527647,0.829196,0.000000,-0.273049,0.781100,0.561539,0.000000,-1743384.973839,4987232.523950,3561358.349948,1],    "boundingVolume": {    "region": [1.907040,0.596187,1.907135,0.596302,0.000000,8.804748]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1300491.b3dm"}}}