{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc94ba7d273b8c1ad8f00aa25fca7cecd60e9db8f76b2f42c893534a0fe058d55",
    "signature": "0x77026aa693882c779a3efa0396da785ebea249b99591024802645f8024a0cc2c2de9136267f45c42c39ed33977f4de59ea5380223538c38ab597ece50bb18e181b",
    "signer": "0xEead13517EA20E62ffE18BCdA74030A93e1Fa02d",
    "userId": "503440113"
  }
}