{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "148293",
    "entityType": "User",
    "nonce": "0xfc83aad4511ee67522aa59425eb809526477179243be681c8fd75443006e6d22",
    "signature": "0x25881f68bc0947e12d2d5cf0f0d39bcff37575afb48bc5a69d9b545339502e0661b0393f983b563ba8dd2c065ec04735d9f94002190b2e723ffda154a749e0a31b",
    "signer": "0x5bB9Cd295E2E2Ec2Da049D53c19449e5BD75e200",
    "userId": "354197891"
  }
}