{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1051",
    "entityType": "User",
    "nonce": "0x5f409f7f12dc0d60fc0b623a8c483fc50c6da34ac82422b9d22bbf86904374ee",
    "signature": "0x84dc7e252c6f52cff2f6c1781bd38acfdf33170736af00a3d160fdfc7ffb8bf001d571d35650e238c5e256b10b06d2ef7a3ad91024120628267f7223f4e4d9841c",
    "signer": "0x25Dfb5B0D7CDE92b65C3EEB690F0d4afdd575ae8",
    "userId": "253005"
  }
}