{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb79c11daa7a5b3ecb3d1956b0eafe91138521a9f1d9bfc48e8c85c020c193f58",
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}