{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100040",
    "entityType": "User",
    "nonce": "0x18e6198486acee8ec8364ba40b01b8cdaac29440c5bb5b87fd718a91b56dc28c",
    "signature": "0x42e54498829e1f5d09987b3ca27b55e8f8081a83a669c453c1e054f2f777c5cb0f530c69fb5c6a4956dff537b08442714850c943419b16ab70d8994a046940421c",
    "signer": "0xAd33018d1AA234072Eed7f991F9891f3688158d3",
    "userId": "413212044"
  }
}