{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6308",
    "entityType": "User",
    "nonce": "0xba5926febc0415f4b7fb7a48ab7b64c6648e8797463c9de4edd08ea418344fff",
    "signature": "0x0fbf94e0a158262b55b6d500a4f1057fe97b157aafccfa6c312430dc74c52816176dbf1c4e90056319e92b4e678501774abc0baa077e2382da4f994a82dd09af1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}