{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "201046",
    "entityType": "User",
    "nonce": "0x1ac6eb744971bb8f434e523596762f48517a43632ca6175886077896e7f8332d",
    "signature": "0xc0d9dbb9865010e47f46104a90c751c79ef9ef3372fc96b007fd010761febe00389ad3a4eb1b3ca76a581de2fdba7558fb341265cbb3b4c9c5382914168a0b8d1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}