{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x755dc5aba33837a1267f5760439e1e7562013ebd20897ea2b311112e564ce22c",
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    "userId": "962445040"
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}