{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf8ec162b004fdd5d75fbb7d2dcfe491f12bafbdc925e069f18783c241b408ce0",
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    "userId": "798628791"
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}