{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1322149",
    "entityType": "User",
    "nonce": "0x0c7bd798cf2d899bdcfb915db01f562e154c8dd91a78b69dedeb07bccbe17860",
    "signature": "0xdb1419006ec75c131c8a18643a5b5b819b7094ddcbaf0b3e2956caa99621e9527bf1c067f0878e787e71546cf0328b42cdbd0f75b657abb87af7957d6fe53a651b",
    "signer": "0x3CE226b3CA677B312E9396cc48d4008c70545091",
    "userId": "550328673"
  }
}