{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894727,-0.446613,0.000000,0.000000,0.284555,-0.570066,0.770748,0.000000,-0.343285,0.687724,0.639680,0.000000,-2192523.696879,4392420.212245,4058216.666338,1],    "boundingVolume": {    "region": [2.033706,0.694020,2.033839,0.694144,0.000000,50.769754]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1167288.b3dm"}}}