{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "686642087",
    "entityType": "User",
    "nonce": "0xfa0b250d66031fbe31936d0f3c36c691415bb03df0a7bf759d3416182b974b9e",
    "signature": "0xa76692c0ab2a54724ef7666926bc61a8b978259ad88c5c918acbf8e98918c1b50f4291d9d65f6a5ebee5a67891ae3b283dc3fa3b1ff1bbfe1aae5a5411d13ae01c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}