{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x13a643313f1e880d3f4e43d54f746e535a44b58782464574176bb028a5d79af9",
    "signature": "0x0156ae16102e9977d6648f1c0f6f28caa523034ff98e81ab90a6b6bca828fa303c5b50997d678f0ca747e405e04ab556f486e587a944cb4f2cad86121ab82ac81b",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}