{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "928381185",
    "entityType": "User",
    "nonce": "0x9f6230d1480acf2beb0ec6c4749330cfc5debb0485fbfef503b592b4ad1b8249",
    "signature": "0x543a8d4b4bd0f6e2c6407b7b6f57828a93f022041904b05a99a1cec8c79165b47b0dad1f3bac0c4355c586f43a12257c9012617217900a5d916698ddc9f09e481c",
    "signer": "0xC1896EAF7ae2431A08647A163291b5a8A0cd2a6C",
    "userId": "185209372"
  }
}