{
  "manageEntity": {
    "action": "Save",
    "entityId": "1182385288",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8656bc91947b553c2f2c050b47aff939d29a9cb097c129a0af7811526eaec87b",
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    "signer": "0x1fc5D9D4B88B8D8c7d91F317c38d82Acac11B6E6",
    "userId": "38437"
  }
}