{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145948",
    "entityType": "User",
    "nonce": "0x960a6160e44ed24397e3dd67f1cf89c4ca78e2545410ddff725b953f32dd631a",
    "signature": "0xd703b24a7beaadf6cf14692e62c947146b3923054f028bd8d4f9701d9fe91ffb5821e084fe38123d52d993dfdbca260fa37f221171c2af65c38133c0b50d97a51b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}