{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdf0b5b417557f4688ec97c071959f8a981b3c7b1cdfaa89d3609a2cd116febdd",
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}