{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281227",
    "entityType": "User",
    "nonce": "0x0247b6a1da05348f389629175e0f8caefa867d002bcb6a7cabfcc123af3a78bb",
    "signature": "0xf5c6c7b9b1629ea9e60c05815e25ea3e1ce01f144bbb2b1ab1d8a49c8acaea3f6494fa3497ad9a13cfb3a7f64a6e26f33b01272cf06e12fa261427291463bf5f1c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}