{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65732",
    "entityType": "User",
    "nonce": "0x4d2f4dba05eb1e5fb63028069771ca4fceac8131995f54113236fbb19a7229f6",
    "signature": "0x74404722f0519612704742bfc2912335121d65b04c4db4a3c52751c846e3b9b728475c612ddf47c460be7f9db3af351dc17d505eae07963b8368ac42a42da6b51b",
    "signer": "0x4D8EDeF47b57f98c89BDFf851267B0327BE4cD05",
    "userId": "5307724"
  }
}