{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10373",
    "entityType": "User",
    "nonce": "0x6fae61b85fce36ad4db0a072f51b406387a3279cc74917e6bcf9e44b53afdda7",
    "signature": "0x81662874d90ffd320a2b218c1644a41ca675db35b273db0dcfc0a57e33f82f2f49c87b008d8ed647de8fdf52d7bad413abab322a12925dca0614cdfdde692d801c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}