{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa87f260a8b2bfb5eb4dbac1362f001a1dc3d06bd581fc74c0e1a392e58326435",
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}