{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108235",
    "entityType": "User",
    "nonce": "0xb5f2c2b84de47b73389053d2744b77ca9eec36215ae523482c84a74f560201c1",
    "signature": "0x76bc5f4e4a9abff83ffce976e608dbf6dc319e3f4cf2a1715e4c6b8e943c251616a203ff49590b2d1574f7ab74ff181647f0625d0a3472e0096ba7c045a1cfa91c",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}