{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2a02d9d2d9087960c20e9b1703f6f6e9eaecce5175905df3ce8e3d5fcc9d203e",
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}