{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984215347",
    "entityType": "User",
    "nonce": "0x9790e63994a8964b8668df383c4cdc0acdac776b2e9265899f72b0a93cc93be2",
    "signature": "0x20f1587afbd0d9d6790a1b79d75f4e3c8522cee2e3b4da413ddbac4dc2cb552033eefbcef45432df2228d433a5663645c6a10962cfde47d8325462c35cd993341c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}