{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29281",
    "entityType": "User",
    "nonce": "0xce72e45698c8803b994744058c008abdf0d5a3b874c7e8cfd08afca9758936e0",
    "signature": "0xbfbed5967202298c399af2d72a21e579f1d4c24ef2554410be3d1b35e2a44db518933e05a3b7e0464e31716bcdeb3b8cc2e3416483170f4efb013773fa8cfcb81c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}