{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897452,-0.441111,0.000000,0.000000,0.285804,-0.581476,0.761710,0.000000,-0.335049,0.681666,0.650441,0.000000,-2140020.815004,4353927.719400,4126679.749218,1],    "boundingVolume": {    "region": [2.027557,0.708052,2.027709,0.708279,0.000000,12.034007]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_1797706.b3dm"}}}