{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0xcc0139a5fc6377802d4929346a90a51fd02eed032cdc144c591e3a7d4e898929",
    "signature": "0xf637bbfe29a6840e0cdd014e9940f4e1b3bcde9f089db4c95d48cc2eb1a3b0844703b7ac9aa5c2e4aaf9e6615be43901eff47a541943955db6aec4c3a4ded9d51b",
    "signer": "0x7ceA71B4A8C4013A4f57c1A57eC0430915572e86",
    "userId": "31724295"
  }
}