{
  "manageEntity": {
    "action": "Save",
    "entityId": "1943448009",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa0f36cd9ca493869fe5fd6d61c0a2f6cb7ed2e8e01bfd64f54516e72186e1ac6",
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    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
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}