{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x271d52bb534ddafb419a2bc4ff38d7c86a2ec826abf4b7b4ae2b3a26f011f795",
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    "signer": "0xd9e965D34dbE54B945Bab2856092CC219657d5dE",
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}