{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x70f126c1edf56ac51819215c78f6c66e7254446d4e1e4694546f7714cf5630ba",
    "signature": "0x1f9d29f86a8446ed65399d82de4393658c98aa44154255477daf07af099b70e734dbda771d1e2d98826f40c028d03f64000317eeac7b0ca15a611101910ab4091b",
    "signer": "0x674FFC02F71bdD4bD3Ae60c618579EBDD541E397",
    "userId": "787787230"
  }
}