{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xd83d49f3791c36f2923a81c8ac105105b593dcfba785712e010c8da2362027ff",
    "signature": "0x1bb8072990f14d2afd0d8bbf1d1dc240cc9cb98c600250321ee1d9246a11721e23628c68dd9ee54f221709733546ab3bbd7c4ff2ed6c77cc32d3f2dd34f6d5ad1c",
    "signer": "0xEFAB3332CD5EA33e9817aa57B32CaCb8Acf973A4",
    "userId": "407216161"
  }
}