{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1685226",
    "entityType": "User",
    "nonce": "0x0a9278562839506047d8c5b5f9f1b2c781a5c498e18704715b49194f72b0c35c",
    "signature": "0x733890f22ff21424a0e2ee6ecc01ad01e5984a40446f3ed203ccd5bfa31558cd00ccd7a79cba835d455868848dc5b352e846e5d4e94677fa23dc3e312a959cac1b",
    "signer": "0x5642523A896f5Abe636541e24da44F54ab8E9790",
    "userId": "635508657"
  }
}