{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x105bcb5d0fe1e7187410c8f29c1e095714bd124c75bd29856cef76dd7e43d494",
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}