{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950453,-0.310870,0.000000,0.000000,0.173410,-0.530185,0.829960,0.000000,-0.257468,0.787183,0.560405,0.000000,-1643896.643200,5026045.295157,3554148.418539,1],    "boundingVolume": {    "region": [1.886813,0.594801,1.886996,0.594947,0.000000,8.731538]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1449056.b3dm"}}}