{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x1280ac0475e10cffc821952bfd9a49b11ea7244059f3abea10532409c2361225",
    "signature": "0x87dc17b763c4db0459b15c527ba0a139201aa056c78e221effafd43ea63910b81a631e0b4d7b0ccd90f6dde0a702ad7eadcbc02a43329755b5d8f865fe5623ea1c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}