{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xafa7e90eab445848692ed480dd16cc96d80044bce7d0af24e9e11791b6b31398",
    "signature": "0x80a00bda9bf3320c334218bd26ff288bb663c3acf023375c5a427b4f44d50a142aa0e792bfacf3a9f3f10335bb2c154354d8afc2acd7e34910e06bc64c7a4cf21c",
    "signer": "0x1A3180C2B77F308242944Cc798Ae0C216079DC9d",
    "userId": "916060975"
  }
}