{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949648,-0.313317,0.000000,0.000000,0.116070,-0.351801,0.928851,0.000000,-0.290755,0.881264,0.372605,0.000000,-1855340.323710,5623439.045003,2361712.595113,1],    "boundingVolume": {    "region": [1.889411,0.381764,1.889550,0.381864,0.000000,15.872123]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/19_64120.b3dm"}}}