{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283342965",
    "entityType": "User",
    "nonce": "0xd73d2d30e7ea08a1fd3acf9fd77b1170dc0367ff686edbb713399056232d4c32",
    "signature": "0x78a86ea7fc179d26966eb45644487a3ac47300fb81119fe89a50a38a5951685778c145b03e74c9857c835e21689e584c6c9db99e1da691e8a8ea679275ab4c4c1b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}