{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x588b1b787f16436e4a17401e6da21707d2f60b3f838bd35d7d41ac921f81f882",
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}