{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe9452e1a17b0dd2a2bd5292799e5739e3dbcdee88bec15bf2740fc1e2a2ed800",
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}