{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x83088d7c9f576e0548cc915e280c53b34dfd4a950bfc32e865e0bad4be40df7e",
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    "signer": "0x9851B67361957bfC1a2dC46Aaa1F49cA68Ee4f75",
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}