{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb462458c6f9b3b8efc82f9a16b4daa8bf667fe90ef0d2b5e78bb0fe2f43438e7",
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}