{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x58f1aae30f764f0e670d7a11cdf0174109bdb5fa28795a3e6b6defd17445bce4",
    "signature": "0x07707b78a042b26faab85e41af62e0cbb92c7170d2927f693ce6eef3d1489ef10087e2ff0287b7473b175f318078fcb0394a4ba7595ee572f8250e6be97418bf1b",
    "signer": "0x822dfE2D8b36E3acA9C4C05c71843Cc3cf684E63",
    "userId": "929744808"
  }
}