{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x77bf524e5d74d970d33f22d76c710c81f476d690b1f81c04839f8932b1809d2a",
    "signature": "0x218e2b628866c0e96383e234777fcc5cff53d09ddbac3a7ac530cc85a5fe184b41e5117ec6438d495fb2c23c5491b3c7a1d1ac468e3503431b342eefdc71f38b1c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}