{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172178",
    "entityType": "User",
    "nonce": "0xf8f181a9c5faae67c2453a8c816fbe5dcf5bed69c7ed58eeadba551269a3e04a",
    "signature": "0x5c8786f06215274c6d5ab0574ddc598427d95a996f2076879f84d214e0180d7a58ef12dede26cbfbaba7f883107751a5c76948717be19c88d881d9f1f0b49f551c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}