{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd29404ecccaf0fe010c063a052d5dd772ce4672649feb50af4db03f047513a4f",
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}