{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xba0a31f847c5e794dbad359da3b1aeebddb5c6e85a7b90172ae5f53e4a928ff1",
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}