{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0915cf15d2e6aa2a88c6eea5c55f208bc3a8cbfd5e644ac2f084189e7293d70c",
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    "signer": "0xd32ED92B43E1eA9e50849098337fa8b47ad0c42a",
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}