{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162830",
    "entityType": "User",
    "nonce": "0x7f068962d240d507b0734c8204022673e5b7b36d0aa6c658fdc68e533af18dc8",
    "signature": "0xae49b83020d8e05e0735110fff52c2eb2d4b60ccfcfbb3d11a4f5498b4af274567ef9612ef16fd465d007d22a652aa08652edbd9dd7e77c3d546faad21e422cb1b",
    "signer": "0xdcAEaeb1b2DF396B02cDe67B3D030cDf38261A5B",
    "userId": "58531"
  }
}