{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x11255486cae405adb2b342e55f442792b029a8300ee8f18b6f62d69b3c8fff0c",
    "signature": "0x013a8662b4f017300ab8097e549283f6458271319c7f5ae1b7a483451b321a7b2e002813de52723504b407fd402b7767f6b21d5a3207b022c3978a3bdd4f670e1b",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}