{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8240",
    "entityType": "User",
    "nonce": "0x4d6e5bfaa6de66b0af21cf1c94ce223c9e37a22d81d07ddba160a1164005ace2",
    "signature": "0xfb3ab9e73955073952fe62c46e694c78d372abee192044b35d5095d0f4ca7f1e401ea35096574a1358c220fac4c8354746232d1d29f7817aec6c7080fe64c8081c",
    "signer": "0xa6030211678990225Ac0a6a2862549d825e7A039",
    "userId": "543439291"
  }
}