{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5fe509a899a6425065b0cac8d3644e07e358b48777feb28df7d28be1c18c5b07",
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}