{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "19702",
    "entityType": "User",
    "nonce": "0x4a5120001133d37f67d85c4754a0a5c5b8e135faf56597574cd8061c694ccf79",
    "signature": "0x0048e71dfe0b77383ba8df38d180e16a538eac43024fc89e2f6c8b8a5a548b3c03426ddd747a0d0324b50917d718622faac1a117a65e0073ecbc115e59a4ccfd1c",
    "signer": "0xc6ED8841CAa23191AB374bd7d546F29746aA36B9",
    "userId": "441723301"
  }
}