{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xb1ca0b81413c297746407d7dd3183b41db5cbab019571b824e44733596601643",
    "signature": "0x50fd627d6208dc3477a0476ee3d7b3e0a674880f54cd474c3c1decc50f8c17181f978b7de8c9f4163318bc9cb5ea9ac6195931ed54226bc9074e2b3415f3c21e1b",
    "signer": "0x57B72EB07de2F234F10e779f1Ba99344cEa3B3A6",
    "userId": "873528115"
  }
}