{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78451",
    "entityType": "User",
    "nonce": "0xa4239fb427ce2f663948b52227f3b2d621e48b6ae3bc779c5f54c8cf742b3db3",
    "signature": "0xfd220a1ca2c251f804f53885f28214bb3915cf7b4367e8f0c198376ab34ffeac30d1c221bf30ac46eca7e1e75aaf44412e53a3396e2a24031c8a729c8f694e331b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}