{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44983627",
    "entityType": "User",
    "nonce": "0x458952caa80f640a261d86c8861478033e32a1bd184a322341e7dbeeac31f8a5",
    "signature": "0xe2f6e4b59a8e80a50736ba61bbd1f33d53cf7b029c2f229e51691c1e8abc7dba267b022e937e4beea9b849823f8d2b3b09a88420e993122475c1ded13d806d591b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}