{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfd255cc2517e9ae43f5432c04be1f8fb0f753f3f7a869a4d47b62032aeabcac5",
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    "signer": "0x1E431DE3D5FA141d3092F3EDD6044f6eeb3f281f",
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  }
}