{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x965bac78ce2e391c318425a28a5f1a086ab6c8f4e959ef87f7c2912982a2d755",
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    "signer": "0x57cAEe5eA82f42935417a3Ee55D1a1c8E8205709",
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  }
}