{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70463",
    "entityType": "User",
    "nonce": "0x143b2c5cb67f2aadee63acd88e1f550f13605cf858e18b176b522422dfa9ece1",
    "signature": "0x0091ab2122c40a57d4013f58cdaaf899b734d161e63d79ce666ec342514df37a5f0844b6242bb2194060c047933641a15158f5afb323b74a99ba02eda91a8c741c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}