{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "877849833",
    "entityType": "User",
    "nonce": "0xedc650113ca392d8e0b3ae35fffca6cded8a8bd93051abf909f791f00d3d4667",
    "signature": "0x0a2e17e88785bd36b83c0a43e2614840aeeeccad2459aea340c110754a5a79c86b493b7601c3ec118349b903ae7882a8934d30b1af9c46cf2b978717d42ef0721b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}