{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146147487",
    "entityType": "User",
    "nonce": "0xc7f068ee602599342f378c697c97a247a12de8870170736d41c9304c3f01d9ae",
    "signature": "0x92b019422f31b0c5727690792a8fea93e471ba5b09615227bd899ef72a71986363d7b205742f759037d46e0fcc5257dbc0115374987fab4cf24dd7c72bd392921b",
    "signer": "0x018849A3d6594093B7646022836BaaDF36aA36Ad",
    "userId": "702391481"
  }
}