{
  "manageEntity": {
    "action": "Save",
    "entityId": "34137",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x382bcb0b840cb55f783239338fbf16273f9c05d97d3181daf52ecaf03523e048",
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    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}