{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd06ed8ec3bbe5cfb6a509f02e5f2e14bc3f926761ac3a6008ff036229f931900",
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}