{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "198106565",
    "entityType": "User",
    "nonce": "0x87fc0b7d3b5ce7c4a8fe78959943b8217dffe10c75185fbfcb9188d703f467c7",
    "signature": "0xb6c423b7c8d3d466193e39e14dcea8ff73aa32393eddeef15aead08b333874b2701d2fe0500a5868d852cb0e600afca560ea5726f7576c7046aae0a363af68c91b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}