{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa7bc7861af5b2fdc9aa566cd55169662aa1a672e3d5d57269f5424aa0a200e4f",
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  }
}