{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13124",
    "entityType": "User",
    "nonce": "0xe7f09e774c493c109c0d19cc5d662cf551ebce714acc9aa609dcf56f9ec62d64",
    "signature": "0xe040a7c5e6906befe4775e77f57f6c74386f8384d3c6fd2dbc466e759724b81013c2e99fa576b4a8a2d217036a95172e5f463afac2ccef32c13c6fe33429fa6f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}