{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235412",
    "entityType": "User",
    "nonce": "0xd05cb2e0c8366a7fc4e0368af9e13931eb232d1c44e1d3582ea3ed92275815fe",
    "signature": "0x8f055ea320d3f75cfce5a033e4246fc3d164f8805d90c1a8fc418266b7e38d13122dd35f229b59f31859bd1ca1c1661b9da6338cd61d0054734ee5ebe3aec5011c",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}