{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68192",
    "entityType": "User",
    "nonce": "0xd7250397fe6ae9bd12cf3e38c697610d77133b9255950f11973c10dd1809c009",
    "signature": "0xb77f54ae83df0aaf1a9d3b08ed53cffbb13a78d51b78b2172fad1be346f9c39b5591d06c997758fa64b52fc46f4e1b6ce00a6a33f975bc538c9f92de0c39f9051c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}