{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950029,-0.312160,0.000000,0.000000,0.174238,-0.530277,0.829727,0.000000,-0.258464,0.786610,0.560750,0.000000,-1650257.554998,5022394.892812,3556345.416806,1],    "boundingVolume": {    "region": [1.888181,0.595226,1.888345,0.595357,0.000000,8.821017]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1456776.b3dm"}}}