{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "228814194",
    "entityType": "User",
    "nonce": "0x43874d0696f6a65cee66cc953ff52231e982d0003d6ff22450c2b8f0047ecbb4",
    "signature": "0xbea68b95d61bd62425d48cb542521e6af642a97d7fd74dba1bfdc401573a169d58909d8fda7ef30b0c47d4b5b18531d43131f19eb25fdfcbe04f900370669d501c",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}