{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949093,-0.314997,0.000000,0.000000,0.175824,-0.529759,0.829724,0.000000,-0.260812,0.785831,0.560756,0.000000,-1665247.851666,5017419.028591,3556381.215340,1],    "boundingVolume": {    "region": [1.891182,0.595245,1.891319,0.595352,0.000000,8.805649]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1374969.b3dm"}}}