{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1da153908d163bc44b8446c305c14f132f80bc5d6b1eba14e24b5807e74c6f0f",
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}