{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1667196",
    "entityType": "User",
    "nonce": "0x642cc79cb7f1c9aee8e78efa3ee8ac3ec8eff82a4d69c5e8ed832f95083e0d0e",
    "signature": "0x7943842939aacff22a8a83541eeb721256035a5ce70615d56e4a9f0aa1434a634e01a0957760cb27325c02be009529774718882916e927747411928f128de9d51c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}