{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1424691",
    "entityType": "User",
    "nonce": "0x3ffa1fda8fffd43c4c5eb3281cfb9665de12c719e9026bbc0f598a57be698eb7",
    "signature": "0x88a510dafadc46b56de18a414408b8745523ac1b4aa2b9b850fe080c79f4776f19eb49ed294fa83d618876736144478206d0f8c6dda2e4115e525810956eb1361b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}