{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x34be76bf0554cce427bf62172783bd0c29e020b992efb21493ee17d591d2f333",
    "signature": "0x96cd6c1b929e2627ba82159fa1e3f279a17567a52de0ec02f499d879051baf5958f1468f928e22adbb3381182873b4ee73453000a21e5e4bff5ded8ac714c8fd1c",
    "signer": "0xDa9D152D5fAB072E432B05d6b2FBd6d512532480",
    "userId": "82452262"
  }
}