{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xefada96a8a5615c4728233cbb6182653c5b0681018e55178f6f0118f9f77ad2b",
    "signature": "0x9342da61bd14a9c90088378724bc8efc249a3db30850c583722815041f4481f96c1edfce2907154a6b5741e2d2ecc764a81e8cf59be792b5687178f15d0145041c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}