{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7877d58abd015d4485c0afa0f3197770302c77f2846814c7db37475dd19071c0",
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}