{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4b0e4ae15a22d7dad26b9847badc85a6e92385bcc514b7d2a0796611dfc9bcbf",
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}