{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329005",
    "entityType": "User",
    "nonce": "0x9ec3bb6149eb78107ae652f13b136c2dd34acc9d36daef9c59903179b403500f",
    "signature": "0x8061b4b2b3a5c50047098330ae584c71b6f18b6d986588dc6f3f4b33ade0698653607dd4be84d95cbb85ac979c4e5b992bfb66133e70e647de3d631565b699721c",
    "signer": "0x8e843e061C77d2F2C655e7a2c77c231b0A89eBA1",
    "userId": "10318501"
  }
}