{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944309,-0.329061,0.000000,0.000000,0.183966,-0.527929,0.829125,0.000000,-0.272258,0.781300,0.561646,0.000000,-1738334.263655,4988508.696672,3562035.258898,1],    "boundingVolume": {    "region": [1.906048,0.596336,1.906163,0.596411,0.000000,8.810633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_131716.b3dm"}}}