{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0cbcbb8ef2a29244a2adfb1c0fa1c046806e9254467b36f07cb8591f2b45d85a",
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}