{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "410109294",
    "entityType": "User",
    "nonce": "0xe4559f839659a2f25ab675c28f12a5a0fd65a5a8aafb1f6e8a6a1087879166bc",
    "signature": "0xb17897435c06afd5eeb1ce01e9f138d7611ca3e0de284119e51a3bcfc87cdbed5e873454eef7d745af652b79dc0083e877e1c020f0c9212c8902269f11c8c3241b",
    "signer": "0x796D60E9fE921C82Ef20f6329e27dD246392f542",
    "userId": "809803"
  }
}