{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc96d2e43da5738738658d1d2d7ce0f9cf8e2b7b8f1c42b74026fb0e7f66ea8d0",
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}