{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2cb6bbc153049352d9820ca0231a1b376314dc6a42e2b40802d7b590631a22e5",
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}