{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4bbb3b68ab9ba0c0e40fa9c1f114d593b283d9f0803dade1a2eeb693a6f85404",
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}