{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72022",
    "entityType": "User",
    "nonce": "0x1fa440a8b7eec430d92ded2183bb50b6c479dacc129a1e46a91ade4bf37f3f19",
    "signature": "0x988950dfb9d973f9e7b7580fbfc6723e22796ab17255cb3ae7a0ccda4140630f134b2aeb97c915c469c1906dc193f3f960a36bd20d1bf37e98b883bf87f045481c",
    "signer": "0xEc483842272Dea925128F7ea8Bb85F671f49bBAB",
    "userId": "212561617"
  }
}