{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "385866220",
    "entityType": "User",
    "nonce": "0xff9fbea8c35727a1998c6c7c3fdc99046b55616026ad4c99cf697eac2f01a31b",
    "signature": "0x653255d2f3e69897aaae90e826c6dffa38a6e53c0fef9d8fe136dc499a2754150b82af645d4a1a69e04b9d41a10667cff62fedb4d295a0c0256d8b67e6c4acad1b",
    "signer": "0x99b5F46ae3978FB02A645f824e51700B327f1d6e",
    "userId": "97654"
  }
}