{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "2197",
    "entityType": "User",
    "nonce": "0xa3b2d239fdd0b9f0ebef885f67cf58a8ef1a2a0a27513829a9dcf7109491489b",
    "signature": "0x5f42de45537042aacc42b066a631c9ca4081d246a49067318a7f8a9b367074ce2d1831847e2281633562b90a4f86049e181cb2bf77d04b4478b5703a23cef13d1c",
    "signer": "0x99b5F46ae3978FB02A645f824e51700B327f1d6e",
    "userId": "97654"
  }
}