{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14811",
    "entityType": "User",
    "nonce": "0x34ef20688f1adfabcb780faec5462f44c11db440950b8fca7955547ddae010c3",
    "signature": "0x9b3f35346d306829346c06d010d9ed4f6f4a67c7d3fa520c54462c26533a3507184518e36768127d00aec30afe023580c1fad00bfe8fb55ee69e03243c3217c91b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}