{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "809803",
    "entityType": "User",
    "nonce": "0x046b5c732beafc44a0df4b2206fa44fab763ffec27b93691da9a061c4198e93a",
    "signature": "0x80be115ea2bf37a95f8b9d6325a6892b11d97f6ea66258e135aeda4b9287de2218f06f69a6801dcefce344203d4fc439e3c3a9ddc29b8817af25872cc55008e21b",
    "signer": "0x9b6bD4505e2bCfA88acc8680F463a96DAddf1d0d",
    "userId": "213208842"
  }
}