{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "380764",
    "entityType": "User",
    "nonce": "0x46656ee7a73deb9811e8c29e5f4f81802f4c6f46ee345fccd78c1fc37718d190",
    "signature": "0x84f1bf1777eaca3d40bef6b02550a8326c15cd3899f5992d82d960618df405cf661f3b353589483ed3e1208b0c034e56969b052ef81b9fbd641d6615a8a72ae51b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}