{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.890911,-0.454178,0.000000,0.000000,0.292200,-0.573177,0.765564,0.000000,-0.346733,0.680148,0.645891,0.000000,-2214606.130121,4344146.038490,4097728.763327,1],    "boundingVolume": {    "region": [2.042198,0.702146,2.042294,0.702233,0.000000,11.317641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/3_1683552.b3dm"}}}