{
  "manageEntity": {
    "action": "Save",
    "entityId": "552243469",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8a7261b3872b8487697e98f8c7deea55eb6aff69ce4884cbcab42fd8c472120e",
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}