{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x4244cfe63c77cd34596e2b2c8f969a637890d8bced4c32a012c99879027a5921",
    "signature": "0x8849f1b9ad493c357f8ad02d81a9d2e55d648a024365a4bfca13c56cc0fa2830200b4d735b524696c29ee1855b8e84e6d4375597b9dffb9e0577e8774978973a1b",
    "signer": "0xc8b59C26109BC380ABC47eBad3DF1FB7d6aBf13C",
    "userId": "37821039"
  }
}