{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206008517",
    "entityType": "User",
    "nonce": "0xd4b5538ea0f9017029a89b180eb6d4474e4da9350d3e02ef24deec20203ea134",
    "signature": "0xf3e41e69f02c3b2568b064e0e11d38725eefa2b5881300727e7f556af9582d9f01ee05b27abca1bc0f0087f81946eac5942fbdf90b1cade8a7de20de2b50c7d81c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}