{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "800946396",
    "entityType": "User",
    "nonce": "0x322c6e7d2e1955f96dcc3b5d437bd2817aa26eb71bd119e534bcff898077b58e",
    "signature": "0x9ca3f9ea08d78b8ebfdc10cffcfb5c3efb7687784d1c247871a28a6d649da26e0261f3937520282d5329a0626bb51ae216d71f6c380b3709ff68374bb1be61df1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}