{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xce9468b85ad5b5bfecaacb53aa48c6bdffd4b7d3afce61339d22e51a45127334",
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}