{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2df9e05fd27f88b521c029c724faef470da537c3668909b06fad9612f1b07887",
    "signature": "0x80cae6ace55d0a08fd2016b38449c80e6deac0af3c21668f048a600870dba6a27f6e7ce59eff7c82e1c6c0c6001259207cdbcf38d08876a6cf9322d9c5a305e31b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}