{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x92ff3387e546b0ae947840d5e5a8788ea4e76181ebdcbe00d601a037f8b504a9",
    "signature": "0x081a53215a2067e0c043f496b9a318224a6d597f31c7933df16f5194a5b9afe1386a313fdfc72de962f40b7b2ed73d9e50fd8ab4315e760840a98a206f9e78bf1c",
    "signer": "0xEE31F82065df360966Db8735e4eB164a3fDd491A",
    "userId": "50128868"
  }
}