{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2a05d99cd787fd12ba93155b3184a2b6fa26c1ccfccf0837090976caf440be00",
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}