{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0x9402e317d055bf0ebb9c18176816d76d8c3e175fb1d022d281e66e5c0876604e",
    "signature": "0x837840f29b199c96b716c872c980cac324fb8fa538bb66789ed33445424a30bb6813e33c77958dbf980f4a8c9107020adcfb4a929f964eb3800c145346f186341c",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}