{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952754,-0.303744,0.000000,0.000000,0.112213,-0.351977,0.929258,0.000000,-0.281996,0.884538,0.371578,0.000000,-1799443.147178,5644314.238557,2355200.405085,1],    "boundingVolume": {    "region": [1.879415,0.380707,1.879418,0.380710,0.000000,2.402811]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/25/21.b3dm"}}}