{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "873182089",
    "entityType": "User",
    "nonce": "0x744720d0f0c0116a51d35e886a7a05099c5c5f580f48dbb867de7f30dcae6930",
    "signature": "0x5e53358d6aaf88484b066b638bfb8a00c14e6b288d570516bd4a51170a5568634d3bef9239cf29b1392f275af507765ed305d58373c4399649dbc9399d123f2b1c",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}