{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x058f80529d9e3ca114d589a7e1ef5efc89e63e4f52578246ec633164ce62f070",
    "signature": "0x71948780e256f41389b7dc6663e3147bd18d6ac33b952d659c7f7e89a4b3d49a2997eb49cbf3bffe9abaa312bbfd2c02cc01b76fdabef7dafc25d85efe4b737b1c",
    "signer": "0x3C912CfA5368616F0DC7e770cc50D75877Ae7824",
    "userId": "276602226"
  }
}