{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "236289",
    "entityType": "User",
    "nonce": "0xf373dd63f76178d512c2b45809cae067a56135ce3e8f0ff69b733e0d1bd22716",
    "signature": "0x5bd6a3603eac3d2dc5653fccc6ba88a58c8d57df2241464cb7956b8ec5e7b38e0b06cd2d7307b45b74acf5b029f89a6840551118361e865ebe09278c427570f21c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}