{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5b1533cf46bffd7f2fb2f3c54e143e3327bd893a7710ee0c06264a640d090413",
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}