{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe5c7a95daa77f1a062d533f5b71c33e6ef4f557417e7a123e5218ff1e2e4b09e",
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}