{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0xaf4871eab4e3fec34527e7d6f830139ad2f3af8fcc9b11b4ab88f33fa27e744e",
    "signature": "0x06572cae7df7fd71f92f7c4d08448cb7608305d8b25b9edff9ebbd523d5fced27dc3279a44d6181e8f4ae45db5eb28c1b67ba8acc239fd508a650d7a5e2cac361c",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}