{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7a0362f6ddc48f14b1f316ae7490ea3dd0af92a558fc6fd6278dfbcc31836d3e",
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}