{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54801",
    "entityType": "User",
    "nonce": "0xfa94a88e2935ff2680f19cafa434796c8f1982d6488b2af9ea01631243c3fd55",
    "signature": "0xf4bf675f873c7dc408cd60b8b91476fec5dc3a14877139545bb2e5e1b381dd321bb188cf64cef98c2017de39f735bc877901aee47bef4a2ae2a89134c0f3c5c01b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}