{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3c06ddb2397b2567deead7ace0160a78d87fb1b8480b4015e737ac2ce127c694",
    "signature": "0x065fa98dac028e5ecf6ab055097e37d445a85f298e1e6b30fba411dc73877124303e902f7b8f80800071e3018cc024e55ed16e68c735a3bf491f92601c9738a91c",
    "signer": "0x1D8cB3Ecc9Cd7e23dC2aa1E1A07F64363Ee9599E",
    "userId": "553152525"
  }
}