{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "776655850",
    "entityType": "User",
    "nonce": "0x499448704c0199e19a3cff115999eacd30cacf9345ba03c87f968dd32f23498a",
    "signature": "0x400ee6436f3f5b5a1b0b77838347440a853a572b664d75f6643a0706f92878784fcc52a57ec95cb7df5793eceb47d847bf26e6b52e29ae90ebf616d42ae80f0d1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}