{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x28e6ba5ecebd3b4b8296161b432c37d2562108e064db4d5ae14b9db4b0bca8b2",
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}