{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951116729",
    "entityType": "User",
    "nonce": "0x8f39a01bc6502af87f113f26decaa313e3487d7348dd844213feefabe03d8c8c",
    "signature": "0x97811b066dde713b2cfcabb5ea1909b665d796f6718e3a2450536dc36a3240c006c8aba5c8a9bc3270015cdc1dbccc7943072672f188816fe74a152fb03b50181b",
    "signer": "0xb10C19C3B0cAC7fCec2A27C480820d724C82840d",
    "userId": "341801"
  }
}