{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4f213b8c15b672c4c1bfbe0aa9caab7434a0e02c6fd0369a11d2c9e82353cfcf",
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}