{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x0390456dd44394e2e92ce024e5bcf0326ba02dd20be856be262ddd36bfb523c5",
    "signature": "0xc0acfa38ccc25bc90fa1f1e96a186c07138ba30481ae582b8f8d647350c91a396941366de2cf4ca05887137ae3f980ee1fe46372fc81605f83afa65a30d77b9d1c",
    "signer": "0x0598FC797642238bFb08593189CB8B4b21aFF411",
    "userId": "179352401"
  }
}