{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6ba491ba4b42ddd0d36b4bf2c3ed9ba9c2e97f891cdd7327b32ed76d1b73d161",
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}