{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb6a38e8eb9edbbe9c744cde13e3424c0970e8a923f0bba455f039b19657e910e",
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}