{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbe03c609af5d34b14981d1f0b76c26d0868d430b07fc2f79a1f8aeea6e2d2d8f",
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}