{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xeb315810c700e91c0ede15735db020c22fc045547683ce758a3a8e335f4fc022",
    "signature": "0xa2923394d9fc36ac2c16405a111efa0c6ad5739e3433396ed76d60e8156b91f03ca7f8f383721d7c3321eb1aee8123137383438132762938b7aed0ac397435d51b",
    "signer": "0x9B2c19D12666dd316e2A4f87E04c1B24d0a8255B",
    "userId": "385103139"
  }
}