{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x13874502c92a2900a8af530ec729f22d5da9725fca2e6ab7f3d5428e8859b76a",
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    "signer": "0xE4053BCF7e0e7c87B961f1D7E52Fe75b8414Bd89",
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}