{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894680,-0.446707,0.000000,0.000000,0.284640,-0.570087,0.770701,0.000000,-0.343336,0.687646,0.639737,0.000000,-2192851.863033,4391918.738945,4058579.632724,1],    "boundingVolume": {    "region": [2.033811,0.694094,2.033945,0.694219,0.000000,42.419424]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_984848.b3dm"}}}