{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949621,-0.313400,0.000000,0.000000,0.175259,-0.531046,0.829020,0.000000,-0.259268,0.785596,0.561800,0.000000,-1655394.245346,5015938.645189,3563018.718692,1],    "boundingVolume": {    "region": [1.889492,0.596476,1.889645,0.596645,0.000000,11.216612]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/7_1337728.b3dm"}}}