{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa8bccad27102fb19166bb7689e3d55433e2e64a32b9da8eb78aefc7dcaca0af8",
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}