{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949625,-0.313388,0.000000,0.000000,0.175169,-0.530795,0.829200,0.000000,-0.259314,0.785771,0.561534,0.000000,-1655690.504697,5017051.165204,3561325.713376,1],    "boundingVolume": {    "region": [1.889506,0.596198,1.889605,0.596279,0.000000,12.457991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1443737.b3dm"}}}