{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52586",
    "entityType": "User",
    "nonce": "0xdfea0ee0690f2f16560f69de61929c5ee68a043f51be94f0a50f61390abfde53",
    "signature": "0xa9217792192bf7d88b0cc97becb62e411532eb5de12f4070e7c7a863d5ce1d7c3b11aa1273897bed6b17c430bcc8d0ea0b7d40bc12bbc78a8c8fb4d144a2ac1f1c",
    "signer": "0x0F2FFdA72e91b0F099a154B2451beaCa6E6230d4",
    "userId": "745070052"
  }
}