{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0xca34a27de714fe48e3719c2dd7b58d68ea827720e64da9e169731e3ec29fb510",
    "signature": "0x0994f5b6422cfaa834e9938dc311b5991258be0e18fb260c74ab04aeb37d8d6b101581b926351c68ab580c52503777660f88c646c0ea4b52975163a4910ee9d11b",
    "signer": "0x3256829bD2C36780Db69b5c18671A1DA06B8d505",
    "userId": "468369673"
  }
}