{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5c15535f0403eda30c069341f166fd01e6c34a496831d7a6e209d7d535ba6e93",
    "signature": "0xaaf6c7732af0e3950d017bf9f7d2fe088828aa1aa90987bb798db6ae7f152a8a7342336b5f47fb209075eda23e92288f926adf9e829fb4ee07064f4db68040ae1c",
    "signer": "0x14ab7027c19a202dbEA7a9218aa291D424d901e9",
    "userId": "111579"
  }
}