{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd3a9c61cdfa4373c46a68e5efe087a2fc318f1f70882e05d5e9914bea3f649bb",
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    "signer": "0x04C487103E1682a6a5C5eA5E5Ae9A9C6bE6262d6",
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  }
}