{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x867242f8e1f6e2ba5d6d92ba1b86ffe4facbcbb6710782612da7c0c45834220d",
    "signature": "0xea553b965172d891d2222e2f2ee98d23684b4a49a85dec18a61bd1e3d5ddb70b1b2862ab7dc26359a2886bef875e8def2b35f33f13be097fdb8990e1cf33f5661c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}