{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xf10cab0a80846a125652e7425c41ba56f6528432f7c9554c9aae828feccb9263",
    "signature": "0xf745675cd5537316db9d9dd28c4b4654fe393f9a6379407c4c494c9e9c6107175bd06665064e570432a20d2147917570e1b59d779c8b743976eb318299cd54931c",
    "signer": "0xD05c50E9379973376d0cA28B2404f66DF52d3570",
    "userId": "534408612"
  }
}