{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950020,-0.312188,0.000000,0.000000,0.174229,-0.530198,0.829779,0.000000,-0.258503,0.786652,0.560673,0.000000,-1650506.073978,5022663.206677,3555854.429974,1],    "boundingVolume": {    "region": [1.888209,0.595133,1.888373,0.595264,0.000000,8.820528]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1456656.b3dm"}}}