{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1339242",
    "entityType": "User",
    "nonce": "0x92e65c0e9885a1df4cf8b332783ee27b9912daff4481f042eec6d8ccde872d2d",
    "signature": "0x56161629c16c887cb759c2f94bf2db43aee992ed21a4e686fff5c6e0e69af8cb09b6c32d6f4400197300393dab37ca5e25956e11d9e4ff9b1a839dfedbc85c0a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}