{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x1309bdaf04c786e8bee7b91f398fec236c3a3e58adfac0d14c622930cff93b21",
    "signature": "0xcea1d56d802881a8ae65b7b65abf615f005c9227a1894b38e8704dcc28c9f5377244d8ad0f896cafd933229b14217873763f6f9f01363c134b082bff002609e31b",
    "signer": "0x086a15f4E86a597f3Daf8ade93bB8C509A25418a",
    "userId": "599112855"
  }
}