{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "247026",
    "entityType": "User",
    "nonce": "0x9dba3a4e036c202033f20ecd1390097167c7eb22be5fc7329ddc09d0c8d0287a",
    "signature": "0x3816a17a485ea56d17ac6b2e88cd37865fae7140e0ea1bebc6e21dd5d5bec22f28fc27df8ed958622fcd725ba578f5fe772e651ea78b15e51cdb4583bb39181f1b",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}