{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240433",
    "entityType": "User",
    "nonce": "0x4e3e78069bf6376c404b9b2195d11f851393278076a44eda6547e4fc08d8665d",
    "signature": "0x0e18277d19af10533638fcddab01fbde4e1f49034d393d1cc8171c77d59a92e159cc1b80b4500fb7524be7c5ca1c15e15dccb13782e441b882b4805d9b1931241b",
    "signer": "0xf03E2eb658f4057Ea4255CF34BcE6009938B86f6",
    "userId": "904522318"
  }
}