{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949541,-0.313644,0.000000,0.000000,0.175317,-0.530763,0.829189,0.000000,-0.259522,0.785690,0.561550,0.000000,-1657019.907069,5016538.190321,3561429.336195,1],    "boundingVolume": {    "region": [1.889775,0.596217,1.889874,0.596299,0.000000,7.989545]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1444140.b3dm"}}}