{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896551,-0.442940,0.000000,0.000000,0.283372,-0.573569,0.768582,0.000000,-0.339498,0.687174,0.642287,0.000000,-2168360.279366,4388955.066665,4074802.571989,1],    "boundingVolume": {    "region": [2.029588,0.697404,2.029756,0.697553,0.000000,51.622141]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_503144.b3dm"}}}