{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85155",
    "entityType": "User",
    "nonce": "0xa2be09df7d1796ff6e21744758f1e06c306b381ad542bf7f5f7fd7c371ae6dde",
    "signature": "0xec55496c53cceca8cf3aabbd29290b582ba1a60846ab4c529b59550a65abb75d22b84a580c26378e6144eb6cbb81f9228f97f62a371f2461306e64648846e0eb1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}