{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "53389",
    "entityType": "User",
    "nonce": "0x652f3bc66329627efe18f9dd6ee21dbb44bf8f47c8678649209a9d929c92ed8b",
    "signature": "0xfc21da01fe9a63bb4ba11fe8edc845a7d011e31b156f1fc03bfb8d0620205f031bd4bed63a369b65b2fa9fd1d63b3799947fe51e95f26ffffb1a49a3805dc8fa1c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}