{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3aa08f85a5ec7ad604f1f1634df6a42da85ae7dfe71c40eaf151db4916e0038c",
    "signature": "0x71a8e105d107a60c28b2a4236ff4bb76ec345bd989be240d9be2b3cdb330e9824096f4f0c0c2645f7915ae53b0f353e83936d52743e5db9bae05cff93204b4d11b",
    "signer": "0x797AAe2eb1EF49cf13fc6664A43142fA5bD235Ab",
    "userId": "29956259"
  }
}