{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "204655",
    "entityType": "User",
    "nonce": "0x375ad9d751ec287aa9ccb306e931a3da2bdd7e574849d38d2ab3d862cf29002e",
    "signature": "0xd869e8c31d4ae63c5c440970c977d158d939c37a57c267dcfba36e74f2a3e4a1750c3dd7bfe5a4f103187b70441d1d00aa545bf171ccd7489ba992894048f1431b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}