{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8fec8dd1e75ccd5a2a3830cfca8107c4a240e834090e49a036b7d2c96c87fa20",
    "signature": "0xda5fa2d6e06858ffe1d690d009279ff739ee55645daba4ee9b332017676698c6422ae15759d22c62db75c2ecd8caaec67b51d20ad36d7592f76fa84981b165aa1c",
    "signer": "0x8e2bfA201Be7dA933812C8cD39FB3Db51DcC92b1",
    "userId": "381275433"
  }
}