{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "267657235",
    "entityType": "User",
    "nonce": "0x8a6a5588ac140cd30499e41142699629dd0b19808475f6596dd795f320026124",
    "signature": "0xd06a5dbbdae832d1c6564d7b865af57de74e6a34062fa6b9bb01b7bcd02295497b47e9d2022137afd02972e73300e1ca9af0e7038ffa04ea73d8b7689366eccc1c",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}