{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6188",
    "entityType": "User",
    "nonce": "0x36b89fdab4ee124c4d98b81d97d24d18d0dcdf5b4c78228bb0398ec3ac654c3e",
    "signature": "0x9720653920f89c022c29a6dc01d5666d79fc35c4bb37d36a92abe30ea6f1b565566c23bab37da66f125e721214821131f235023054239664c71152a81056f2ed1c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}