{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x467130694f1fe6fcd8ac903aa2aa26aabee3f35f4796afad33a6e9d5474ff833",
    "signature": "0x69f10cf44230894af2772d31175444961e3f117eae7b83e4271ac0fc905b28936464e683ca5ef289821291bc71bc6ef259c7f4798977f1aaa75da6e76adca0241c",
    "signer": "0xb15d7053c985Edf1d74fFc9893ab67Fdc2B33090",
    "userId": "211545300"
  }
}