{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29281",
    "entityType": "User",
    "nonce": "0xf5a291f3c3a19b8665fb4d002d729b6275ef7bcd5a642f3ef6ee7034c65b085b",
    "signature": "0xa816d2daa96df6ea09791b4a3fb275377dc8eef3762b05a88c9cd904646127d47614d6c813c74fd33e4d4c36e9c49351bd45b349ab54f5cfe230096122dd980f1b",
    "signer": "0xC1896EAF7ae2431A08647A163291b5a8A0cd2a6C",
    "userId": "185209372"
  }
}