{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1489779",
    "entityType": "User",
    "nonce": "0xade5c427a888685e33cf8ea21acb19bb72ce69678bcc72b754d3c488480c6e88",
    "signature": "0xefa3260892310ff0dee76fd1b5cb5b73c6ca9e17deb1732c470c356a423212f255ff7172334af3109af233e9cf106976b1252a9779de64e29b807aadc9fcb5651c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}