{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317",
    "entityType": "User",
    "nonce": "0x63ebda5ea42976a15279ba9e4cc80d501eb54981a4f9c64f3394e064db7202b1",
    "signature": "0x82cc4ef5a257d252363a9f4ed1546ad1c9dedd3a63a2b81f682118c6f7f277ea0d0e8cb57e364c1e2a5bb13d6b21fcb8353334d6781e0486736380abad6f24041b",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}