{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6256",
    "entityType": "User",
    "nonce": "0x7cd0c357779a004d2e76de722a894db0189b2fa99d086775cfdb87361f9ed9e6",
    "signature": "0x5386af685e1af373fc9ca89f41bf89289017328eb4ef6d03f1ee3710e20206172107e0b7040e5f34d46e083f40d247094c2ca047cd16d9c721a5b1526efcfeee1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}