{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc2bad65fc5c0556f851020563b8d2a230471ec1219766874cb85a6e5b03f6ce2",
    "signature": "0xf94ed1c0f78fbeee81c71d38ebefbd939812300eb6c0e6e7098ed61054416508227bf7b53902460a0abbe87eb1f87626a2708f77b01ca65b824524fcfe0316e81c",
    "signer": "0x3AeD7e119d14B0BA01d38E449739bcdc1F60A66D",
    "userId": "36359702"
  }
}