{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "805725330",
    "entityType": "User",
    "nonce": "0xde9a71290203c7776bec4900d0ac831fe15c28aaa669d0146dafa5d1fa2975d5",
    "signature": "0xbc13d1b1ab10987b074d9522f3e354a350adca6099bcfde56928dd0eefe09dc1540614d809b266f28a809a444dc057c740caa053100113bc89ed4bfc4dd0d8f01b",
    "signer": "0x6f689b25d1130eFD186fA8030CBd1Ad6f23cC51c",
    "userId": "783764624"
  }
}