{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbbf5443cdad38fa33ed1c77c169a7e75d4b5fb15ced8c11cd9cc5295879e8061",
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    "signer": "0x00cf0168F42053036842AaB1eF749F0183ccEa03",
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  }
}