{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x04b97079c7f502bf478848bd1a0e9812c45d85421e48a9d91ca0ce5c6b90a075",
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}