{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949560,-0.313584,0.000000,0.000000,0.175080,-0.530157,0.829627,0.000000,-0.259611,0.786126,0.560900,0.000000,-1657581.942138,5019305.559018,3557294.127243,1],    "boundingVolume": {    "region": [1.889680,0.595339,1.889842,0.595605,0.000000,8.602500]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1367666.b3dm"}}}