{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6426",
    "entityType": "User",
    "nonce": "0x872f2fbe86f8c0bec427257f8ef05d72fcf8cef67992207a918f9d9a96d02bb4",
    "signature": "0x98e7c3745bb6ab0fceee5c156d2d744d7586211de4fc54cc0a9eba66167037a61ea9fc69178464fbeddd44e2ee2074ec083d2ef136821ca52bfe50543e4999951b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}