{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf3fb7cb02c9d95a19531fb3d44ba28a67d6c1e4e748fccd62778b5ed3d8ab888",
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}