{
  "manageEntity": {
    "action": "Save",
    "entityId": "53101",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6c34c41f4c1bc5793f0dc8bcef40e1cbc35fd7cdb092844579d1f0d3bdc831d9",
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    "signer": "0x10dB7211a5e2EEBb82621ED6ddAd991391a2C5C5",
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}