{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "237112148",
    "entityType": "User",
    "nonce": "0xef3afc177fe14c41af15e310d166b82963c5e22e19fcf0ddb8a8b00e63631605",
    "signature": "0x4ce27d109754450314d3fd0b60e21c38a653d6fd44c9551afeb1bf87aa0be0f2338e94e06f804271cef36d729d3a9f9a68fa272529b361f1d44cade0d4a3ed0e1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}