{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "411424579",
    "entityType": "User",
    "nonce": "0x07b00bcbd51142bf341e62d3910ef2fe6828c532dcc23ab48f4beb822d00ff22",
    "signature": "0xed584895989fd868b624cd7245f4e0747e8eb9bdddf81d7f5e8b519e65eab2b05af6aedcd694d95b8024f41162682f2a6c194b00781d94f781dcdfad7a6d5fb91c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}