{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x496bf54601c98231e81eef55da4f9f11d34310db9c740c3b8b4272d769065dd0",
    "signature": "0x9978cba931f35c61ebd4478151b4e38ef334354beaeb70661f1bb9514fc1a26f1e8f88f2ee39b92517aba0d164cd58068507e698e8b4d764936b3609444e52381b",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}