{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949630,-0.313373,0.000000,0.000000,0.175255,-0.531085,0.828996,0.000000,-0.259237,0.785580,0.561836,0.000000,-1655200.980183,5015839.340242,3563246.758991,1],    "boundingVolume": {    "region": [1.889463,0.596520,1.889616,0.596688,0.000000,13.168907]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/7_1411989.b3dm"}}}