{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa83f0301bb183b3037d7cf316757cb200c97e1c89204834e790f36915b81be52",
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}