{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "199526646",
    "entityType": "User",
    "nonce": "0x0f02236d09fd4b8a7eae76054f213bc2cb52615daea34b762222101a1eb94756",
    "signature": "0x1a06d018eca9d689db92ae08dc9d3169e82de2fa092ac6142ed1267f35b469ee63789a6f1e879e3435a09224aba4125d10a0904dd5b83945d7f134900f8cfec71c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}