{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1856608",
    "entityType": "User",
    "nonce": "0x8daf86c2232571f668945c935bdf3ce5f7155ae6081d8802072561ddb60062f1",
    "signature": "0x452eaee67d7c7171c717319f42c011a69480a915d2f51c4bb249d6ac3bbaffc515b5adc57f5ce10e7591481a66393240d00636346569edaaa4e82613089691fe1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}