{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3bbeb289c45372134a23ae3413f7c1896a8cf84a8a45b6a5ee9f438edb11d1d9",
    "signature": "0xc26016fc74d170a27d3c37d56dc030fd3697fd06304c3767179172d18192d47e3f015fd6763d10c898afc760d7485ecbf15b0a00e85b7f0971fddc112769c0251c",
    "signer": "0xAC3E324d03E863E6a915014aB2Aa4Ec65D8CB85F",
    "userId": "798330703"
  }
}