{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcaf24035eaf31ec5bd4d3ec48e80986ef3133c3e0f911a758dbe29b6f0864dd0",
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    "signer": "0xe4a05cF7dd9aA79AFa348681b6250746DB7182d9",
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  }
}