{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "588471",
    "entityType": "User",
    "nonce": "0xf05f36d5b592892546946d7dd94a863a096afa59a8e46f8163ba9b44f7f3ad96",
    "signature": "0xe0947888cef265ee2e42a3f5ccba7a15d0712fdc2167f531ba499d5fa049da5c136f81fd2f5128945e14273e566c46e86ea5419e32612efcde0f9668737ef5df1c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}