{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948400,-0.317075,0.000000,0.000000,0.116323,-0.347933,0.930275,0.000000,-0.294699,0.881471,0.369000,0.000000,-1880487.206742,5624708.170106,2338843.971270,1],    "boundingVolume": {    "region": [1.893388,0.377894,1.893492,0.377972,0.000000,56.137203]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_17774.b3dm"}}}