{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949144,-0.314842,0.000000,0.000000,0.116654,-0.351672,0.928826,0.000000,-0.292163,0.880773,0.372666,0.000000,-1864321.069746,5620302.619178,2362103.672352,1],    "boundingVolume": {    "region": [1.891018,0.381831,1.891156,0.381931,0.000000,9.053331]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/19_64935.b3dm"}}}