{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161849",
    "entityType": "User",
    "nonce": "0x5a115b9b9154c40dd77c828e22b4add2790f46a6ef8f52099d7259a5373e1354",
    "signature": "0xdc12f0ff9743aca88da81a75bc223009d95a17a159e5453dab638fb5810ec8052842329356785b179cc69b2b4835e1c348cd1ddfdfa10eb63484e30b161f4bbc1b",
    "signer": "0xa6030211678990225Ac0a6a2862549d825e7A039",
    "userId": "543439291"
  }
}