{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc366aae510b9edb14da681ea06059a7abba3c34e592aa13d4169a4e711a707c3",
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    "signer": "0xD3cd5b6Bf4C27319928ad492De824Cf7e3fcdD7F",
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}