{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "492341",
    "entityType": "User",
    "nonce": "0x4743d3cc43b1f55e5a782181f0e64687e4aeaa35a88cc48d63523671adfae689",
    "signature": "0xd4c6cb50ebfdee7f983fc10a8c6a40ff46476cc4e624924a764493029cb893a00ec72ab93c8e1808bc206bdb9403cf948b85725ca54acc96fea505efb24a05f51c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}