{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "223082",
    "entityType": "User",
    "nonce": "0x4ec9bc50b1960d838db638fc084128d995028a4c169c0871b8df5b6020e5b8b8",
    "signature": "0xf10e369783403fb430eff3d67708ee5b164c446f1ab549001288bde10d231667750236628675874c1040ad4dd79462f25a5cc0fabde226703c81f4af883734301b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}