{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0xc5f47765fa8db55b7390c3d910158ca97d45dc28b91e3b6b112705d6033c407e",
    "signature": "0x7897face76e3c54a8c8e318b530507e2cb001b82107343cec965a20649ee37f777d31c360e0fecab2134a11ea92d1443d12b952b0bf6bfbb86805ed44300486c1c",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}