{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "894582993",
    "entityType": "User",
    "nonce": "0x76816bb1da617ef5832468e2600c44b95dca9465e42ee2253e8dfa401cc98771",
    "signature": "0x2dd75410075456bcc2bf4ce6460a3a82fac112c1489d874d91b98323a82f72f924bfac1373ab2a9df7a12702c1818dfa6f87997e71f4acbf3093898d2f2e6c9b1c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}