{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd50dbb1dac85bc3c7dfbb8baa2a2897574c2b715577643581c96b12268a14d5e",
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}