{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x82d14484e6b8a84c3a1fc5bd254aff1275e0c700a3b1846c202b137f6b0bfde0",
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}