{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xec7da8cce57fd0d2fb72a5e8fa9b2e878f76fca3a1784e5548312b3433e870cd",
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}