{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949723,-0.313091,0.000000,0.000000,0.175039,-0.530961,0.829121,0.000000,-0.259043,0.785776,0.561652,0.000000,-1653958.406149,5017088.423392,3562072.956471,1],    "boundingVolume": {    "region": [1.889165,0.596297,1.889318,0.596465,0.000000,9.258883]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1335833.b3dm"}}}