{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x615316524a33acf712296a634ce38945f9471f49790ffb2799d325898f92d6ef",
    "signature": "0xcb6f882d2c7d35d953a052331c88a2fbdada30df238a148ab5166028dc86eb863f17b03d057a7479f33cd94e640dd193f747a876161521b00474155f5c713e5e1c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}