{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xcbd4cfa6884207188ce48ae0aea96dbda833a94400b89919a8f2497cbab515ab",
    "signature": "0xb7a3203bc81d235a0e3080a7ba8b6f69fd7b7d29ca2563c57461307331c04a2a44db52843b69536c9a11beb602ecc8f8de1b7d94e9a015d8ca6c19de55e5552d1c",
    "signer": "0xa8E11aa224d2579f5cbdb912866bCE84Eb10f9dD",
    "userId": "951616224"
  }
}