{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x76b391a2ae35f6556f8c0bb2874cf76abd571f07298ee16f0807a511f9c9a41a",
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}