{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe4b99386185b843bb5ad2cc99968839339e443adefaa2c9a00e489ac2fc7aee5",
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    "signer": "0x3f046e31D5a52E83bAFc7AD455c0F26A5aEb26BA",
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}