{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xf1c8967dcc99746cd8450d1a867cd7869d4a061c02be68ce3db77ffc25c0f510",
    "signature": "0xfcfe889fa26603ca1c9fab088725032c4b47bc9e608115fefab119f9681bd5be0f9b4a0e69add616773414a3162ff79ebcc2211bb0fcae5a15515e7029545c031b",
    "signer": "0x4f24EFcc0f8174B7836f5EBbeBd72AF3f1746E74",
    "userId": "230109234"
  }
}