{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1462978",
    "entityType": "User",
    "nonce": "0x93551da020083eb866a0e412f2af09974fb36ea005dc57a9b9157b44e1830c5c",
    "signature": "0x0e76b630469cb3a79075e0885aed85656aa6d556b5e8bb52e09c0fae5a6da3a15e1ad4ac3775f10b76e6ce55fb8effe96c8943f3a72078500cc158ec39760ccf1c",
    "signer": "0x594FDf069B8F803eE20CE92c1509071088CfBC77",
    "userId": "376200150"
  }
}