{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "892753459",
    "entityType": "User",
    "nonce": "0x18f11d00ead29c18b6393b67d833e33c432c1271494a6214ed852db26737ef63",
    "signature": "0xe286c5236201407562a553b3f441476f79c96dd0b371475af103f9e257634bb80d9774a2c8832f0d84126c0f173cb5529ac862d757303e363336b74eaa584b3e1c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}