{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x2a7330236d4009efe93b350b9f609326494dd223983b37e470569baef30b195b",
    "signature": "0xed6de400bba6515302aaa459ed5e83287aa69b7b0d87fd77a95fe8fad65408315d8017de1a058d0a4a3fe8fa4c3f79381673ddc73707f6e3c0e048b441a423301c",
    "signer": "0xcc9cCc523005B394381478381D34DddB8558A28f",
    "userId": "957873025"
  }
}