{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27983",
    "entityType": "User",
    "nonce": "0x7eaf104e40589ba0e2cc0e3ead25000a82da8a85bdbfba63cca1925e7369078c",
    "signature": "0xef27939da4d73ac375be98a817f375f995a2964d7b1b1975bc09053834f9d13f59372b8fa794b9a78692c87c9a0e386a5556e94962844ccf3020b502029502fe1b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}