{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x1b60af8dd8cc0c9e4b92c2596eea7bb9883c4c5afdfec225de377eb598b62a82",
    "signature": "0x832808e634ab87b2968f5a925a1fd076363f5a3b6e7d5100a1924aa79f9841be374b654112d14628aa4a66d99bcf2345500ecae8b91f75e218ffe9f30ae8eeaa1b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}