{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa11664c9c44d2e48965d34b1b5605605c9cb586be30b0e6a2862e33897e62715",
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}