{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950031,-0.312156,0.000000,0.000000,0.174071,-0.529777,0.830082,0.000000,-0.258572,0.786950,0.560223,0.000000,-1650942.690054,5024558.595367,3552992.119946,1],    "boundingVolume": {    "region": [1.888176,0.594589,1.888340,0.594720,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1460983.b3dm"}}}