{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6852ef047653f06bb59159ff9f5a0f4facf0c56cfd9a77022ebaa3e1d625377e",
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}