{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x740d3dae5164b3a69a175783161ccdf8bffc68327f0ac6cd00d6e6e71fc676e1",
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}